28,949 results on '"ENVIRONMENTAL law"'
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2. Forest-biased terminology does not help to include open ecosystems in conservation policies
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Overbeck, Gerhard E. and Pillar, Valério D.
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- 2024
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3. Post-custodialism, distributed custody, and big data
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Doig, James
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- 2024
4. Gliders v government - how the gliders won… sort of
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McKinnon, Sue
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- 2024
5. Practical Environmental Management Reduces Costs, Refines Quality: By focusing on effluent treatment and efficient tin recovery, this Indian surface treatment plant meets stringent environmental standards and sustainable high-quality production
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Beckman, Lori
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Environmental law ,Environmental sustainability ,Environmental protection ,Sewage -- Purification ,Environmental quality ,Company business management ,Business ,Metals, metalworking and machinery industries - Abstract
The results of an electroplating process are beneficial, but for the plating facility that must handle and dispose of effluents with high levels of total dissolved solids (TDS) and hazardous [...]
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- 2024
6. Packaging Trends Shift Green: Makers of hygiene, wipes and other nonwoven products seek to reduce their impact through alternative packaging solutions
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McIntyre, Karen
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Refuse and refuse disposal ,Environmental law ,Logistics ,Business ,Fashion, accessories and textiles industries - Abstract
Driven by legislative restrictions, such as the European Union's Packaging and Packaging Waste Regulation (PPRW), as well as consumer demand for sustainable options, manufacturers of consumer products like hygiene items [...]
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- 2024
7. Deepening Mines Demand Advanced Pumps: Suppliers announce solutions with automation options and that move more water further
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Morton, Jesse
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Pumping machinery industry -- Laws, regulations and rules ,Mineral industry -- Laws, regulations and rules ,Environmental law ,Mining industry -- Laws, regulations and rules ,Government regulation ,Business ,Engineering and manufacturing industries ,Petroleum, energy and mining industries - Abstract
The combination of ever-deepening mines and tightening environmental regulations is currently the primary driver of research and development into pumps and dewatering solutions. An expert at ITT Goulds Pumps said [...]
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- 2024
8. Impossible evidence: The legal dismal cycle of regulating off-roading in the California desert
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Sizek, Julia
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Human Society ,Regulation ,Administrative law ,Evidence ,Legal geography ,Land management ,environmental law ,Studies in Human Society ,Geography ,Human society - Published
- 2024
9. Pamiętamy o Janku... Wspomnienie koleżeńskie o dr. Janie Jerzmańskim.
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GÓRSKI, MAREK
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ENVIRONMENTAL law ,RECOLLECTION (Psychology) ,ENVIRONMENTAL sciences ,ENVIRONMENTAL protection ,MODESTY - Abstract
Copyright of Opole Studies in Administration & Law (OSAO) / Opolskie Studia Administracyjno-Prawne (OSAP) is the property of University of Opole / Uniwersytet Opolski and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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10. PRICED OUT OF PARADISE: THE CALIFORNIA COASTAL ACT'S ROLE IN EXACERBATING CALIFORNIA'S HOUSING SUPPLY CRISIS.
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Dow, Jake
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HOUSING ,ENVIRONMENTAL law ,HOUSING development - Abstract
This Note explores the relationship between California's severe housing supply crisis and the exploitation of its environmental laws to obstruct housing development. The California Environmental Quality Act (CEQA) has come under heightened scrutiny for the ways it is used to challenge residential development. However, comparatively little attention has been paid to how the California Coastal Act of 1976--which created the California Coastal Commission as a specialized land use regulator for the coast--has also contributed to the state's housing shortage and affordability issues. This Note examines the California Coastal Act and the California Coastal Commission--reviewing their history, structure, and legal authorities-- and evaluates the ways this regulatory model has contributed to the state's housing crisis by limiting housing development in some of California's most economically productive and af!uent areas. The Commission's unique regulatory structure grants it near absolute control over coastal development, combining broad discretionary permitting powers with extensive appellate jurisdiction, further reinforced by the Coastal Act's requirement for liberal statutory construction. The Commission's plenary land use authority extends over California's Coastal Zone, an area containing roughly one million people. While the Coastal Act was well-intentioned in its attempt to protect the state's coastline, substantial evidence indicates it has served exclusionary ends and contributed to an increasingly more af!uent and demographically homogeneous Coastal Zone. Ironically, a statute that commendably mandated maximal public access to the coast has been wielded as a tool to prevent people from residing within it. Moreover, the Act enables housing to be blocked for reasons completely unrelated to environmental protection. Despite growing recognition of the role of the coastal land use regulatory regime in exacerbating California's housing crisis, legislative reform efforts have faced tough resistance, with even modest proposals to harmonize coastal-specific rules with statewide housing laws failing to pass. This Note also analyzes two of the rare judicial decisions to consider the structural con!icts between the Coastal Act, which grants the Coastal Commission broad discretion over coastal development, and California's housing enforcement laws, which aim to limit discretion in rejecting housing proposals. In 2016, Kalnel Gardens, LLC v. City of Los Angeles initially subordinated statewide housing laws to the Coastal Act but was overturned in part by the legislature with respect to the Density Bonus Law. In 2024, New Commune DTLA v. City of Redondo Beach partially affirmed the applicability of the Housing Accountability Act's "Builder's Remedy" in the Coastal Zone, albeit with significant limitations. These cases highlight a stark contrast: while recent reforms have curtailed municipalities' power to block certain housing development, the Coastal Commission retains such authority within the Coastal Zone. This creates a de facto exemption for some of California's most desirable areas; the Coastal Act serves as a regulatory haven for coastal NIMBYism. The Note argues that California's courts and policymakers have been too deferential to the Coastal Act, undermining efforts to mitigate the housing crisis and risking the entrenchment of the coast as a state-sanctioned gated community under the misleading guise of environmental conservation. [ABSTRACT FROM AUTHOR]
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- 2024
11. НАЦІОНАЛЬНА ПОЛІТИКА ТА ЗАКОНОДАВСТВО РЕСПУБЛІКИ ВАНУАТУ ЩОДО БОРОТЬБИ З КЛІМАТИЧНИМИ ЗМІНАМИ ТА РИЗИКАМИ СТИХІЙНИХ ЛИХ.
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Томозов, А. В.
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CLIMATE change adaptation ,CLIMATE change prevention ,EMERGENCY management ,NATURAL disasters ,GOVERNMENT policy - Abstract
Vanuatu is located within the Pacific Ring of Fire, known for its intense tectonic activity. The country is highly vulnerable to natural disasters, affecting about 12% of the population and causing an average loss of 42.8% of GDP. Internal displacement of population is one of the elements of the strategy to adapt to the consequences of climate change and natural disasters. This article, based on government documents and legislative acts, examines the national policy of the Republic of Vanuatu on climate change and natural disasters, analyzing it to highlight relevant aspects for Ukraine that, after critical reflection and thorough study, should be considered when developing appropriate legislation in Ukraine. It was found that the basis of this policy consists of the following documents: «National Sustainable Development Plan for 2016-2030», «Vanuatu Climate Change and Disaster Risk Reduction Policy for 2016-2030», «National Adaptation Program of Action», «Disaster Risk Management Act No. 23 of 2019», «Meteorology, Geological Hazards and Climate Change Act No. 25 of 2016», «Vanuatu's Revised and Enhanced 1ST Nationally Determined Contribution», «National Policy on Climate Change and Disaster-Induced Displacement». From the perspective of legal support for the rights of displaced persons and the regulation of this process, the most important act is the «National Policy on Climate Change and Disaster-Induced Displacement», which ensures the functioning of institutions involved in planning potential emergencies and combating their consequences, in cooperation with the government of Vanuatu to meet the needs of all affected displaced communities and host communities, including different types of displaced persons: controlled displaced, internal migrants, residents of informal settlements, as well as those threatened with displacement. It is noted that displacement occurs in accordance with international law, with mandatory adherence to fundamental human rights. Considering the limited possibilities for population displacement due to the geomorphological structure of the islands of the Republic of Vanuatu, the efforts of the government of the country are concentrated on disaster prevention and climate change control measures. This is the focus of other important foundational documents of national environmental policy, the analysis of which indicates the construction of a successful system of state management of processes, synergy between the public sector and non-governmental organizations involved, and innovative methods of economic reform. The reviewed documents address a wide range of problems caused by climate change, containing solutions that are undoubtedly useful for legislators, politicians, and executive authorities of many countries, including Ukraine. [ABSTRACT FROM AUTHOR]
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- 2024
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12. The improvement of judicial protection of marine environment in China: based on the analysis of 2,443 judicial cases.
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Liu, Xi, Liu, Sijie, and Wang, Yuting
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MARINE resources conservation ,POLLUTION ,LEGAL judgments ,ENVIRONMENTAL law ,LEGAL compliance ,MARINE pollution - Abstract
With the proliferation of human activities, a series of marine ecological and environmental problems have arisen. Judicial application is important to test legislative achievements, explore judicial difficulties, and examine the compliance with the law. There is no case law in China and the impact of judicial decisions on the protection of marine environment is therefore indirect. Judicial decisions can reflect the implementation of the Marine Environmental Protection Law and play a crucial role in improving the marine environmental protection. An analysis of 2,443 cases related to marine environmental protection heard by courts at all levels across China from 1 January 2019 to 31 December 2023 has been conducted. The findings indicate an overall downward trend in cases related to marine environmental protection, suggesting positive governance outcomes to some extent. However, certain problems remain in the judicial protection of marine environment. Therefore, legislative efficiency should be properly increased and an independent crime for marine environmental pollution should be introduced to further clarify the legal bases for marine environmental protection. The intelligent trial assistance technology should also be applied to shorten trial time, improve trial efficiency, and unify judicial rules. The People's Courts should play an active role in the provision of evidence and specific evidentiary burden provisions for different types of marine environmental pollutions should be proposed. The data sharing channels between various systems should be facilitated and the functionality for case referral should be developed for the coordination of administrative enforcement and criminal justice within a unified administrative enforcement platform. [ABSTRACT FROM AUTHOR]
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- 2024
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13. Not all conservation "policy" is created equally: When does a policy give rise to legally binding obligations?
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Bell‐James, Justine, Foster, Rose, Frohlich, Miguel, Archibald, Carla, Benham, Claudia, Evans, Megan, Fidelman, Pedro, Morrison, Tiffany, Rolim Baggio, Liza, Billings, Peter, and Shumway, Nicole
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ENVIRONMENTAL protection , *ENVIRONMENTAL regulations , *CONSERVATIONISTS , *ENVIRONMENTAL policy ,ENVIRONMENTAL protection planning - Abstract
In many countries, complex environmental problems such as biodiversity decline are regulated at the national level by a disparate range of laws and nonstatutory policy instruments variously described by terms including plans, strategies, guidelines, statements of intent, and/or incentives. Such instruments are often grouped together by conservation policymakers and scientists under the umbrella term "policy." However, from a legal perspective, there are critical differences between these so‐called policy instruments. In this paper, we focus on what we consider to be the critical difference: whether a policy instrument is binding, and therefore whether an administrative decision (e.g., about a development proposal) can be legally challenged due to noncompliance with that policy instrument. Drawing from international examples, the aim of this paper is to give conservation policymakers and scientists the guidance needed to critically differentiate between laws and nonstatutory policy, assess current or proposed policies, and determine whether a nonstatutory instrument gives rise to binding obligations, thus allowing for decisions to be challenged before a court. In doing so, we encourage conservation scientists, policymakers, activists, and practitioners to reflect critically on what is possible and not possible when nonstatutory "policy" instruments are designed and implemented. [ABSTRACT FROM AUTHOR]
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- 2024
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14. Navigating Murky Waters characterising capture in environmental regulatory systems.
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Doole, Marie, Stephens, Theo, and Bertram, Geoff
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REGULATORY reform , *CONCEPTUALISM , *PUBLIC interest , *ENVIRONMENTAL law , *INFORMATION asymmetry - Abstract
Regulatory capture is the quest by vested interests to exercise excessive influence on one or more aspects of a regulatory system. While conceptually simple, it is difficult to define and thus hard to diagnose and mitigate. In the environmental arena, sound regulation is at risk from, among other things, amorphous and contested conceptualisations of the 'public interest', politically salient asymmetries and scant institutional recognition of the breadth and depth of capture impacts. This article examines some indicative scenarios to illustrate potential impacts of capture and characterise motivations, conditions and outcomes that enable capture. We propose a wide-boundary definition which frames capture as a risk present throughout a regulatory system and delineates several potential types of capture and their characteristics. [ABSTRACT FROM AUTHOR]
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- 2024
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15. Assessing Aotearoa's Latest 'War on Nature' - or 'Goodbye Freddy'.
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Boston, Jonathan
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ENVIRONMENTAL law , *RESOURCE management , *COALITION governments , *ENVIRONMENTAL policy - Abstract
Since taking office in late November 2023, the National/ACT/New Zealand First coalition government in Aotearoa New Zealand has made rapid, comprehensive and far-reaching changes to environmental laws, regulations and policies. Further significant policy reforms are pending. This article outlines the main policy changes and summarises the many concerns that they have generated. It then discusses the coalition's apparent rationale for the changes, focusing particularly on resource management reform. Following this, the article outlines the ecological values and principles that ought to inform environmental policy. It concludes with brief reflections on the longer-term implications of the coalition's approach to environmental governance and management and the wider global failure to tackle the current ecological crises. [ABSTRACT FROM AUTHOR]
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- 2024
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16. Exploiting Legal Reserve Compensation as a Mechanism for Unlawful Deforestation in the Brazilian Cerrado Biome, 2012–2022.
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Carneiro, Bruno Machado, de Carvalho Junior, Osmar Abílio, Guimarães, Renato Fontes, Evangelista, Balbino Antônio, and de Carvalho, Osmar Luiz Ferreira
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This research investigates the illegal Vegetation Suppression Authorization (VSA) for Legal Reserve Compensation (LRC) in Tocantins, Brazil, between 2012 and 2014. The VSA is a license issued by state environmental agencies that authorizes the removal or clearing of native vegetation. This infraction resulted from the state environmental agency's mistaken interpretation of Resolution 07/2005 of the State Environmental Council and the Native Vegetation Protection Law, which operates nationally and takes precedence over state resolutions and laws. The study area focuses on eight municipalities contained in the Formoso, Pium, and Javaés river basins. The methodology examines irregular VSA-LRC cases through geospatial data analysis, multitemporal analysis using remote sensing data, and economic assessments in both the origin and destination areas of the compensatory reserve. The results showed that among the 217 VSA-LRC applications during the period, 93 had corresponding geospatial data, indicating that 57.1% of the geospatial data were missing. This discrepancy between the authorized area and the available geospatial information restricts the oversight capability of the regulatory agency. A decade-long deforestation analysis of VSA-LRCs using remote sensing data considered three phases: 2012–2014 (application and issuance of VSA-LRCs), 2015–2018 (operational issuance), and 2019–2022 (post-expiration of VSA-LRCs). The results revealed a total VSA-LRC area of 343.291 km
2 (34,329.10 ha), with 229.1169 km2 (22,911.69 ha) of deforestation. Notably, 54.877 km2 (5487.70 ha) of this deforestation occurred in 2019–2022, after the VSA-LRC had expired. The analysis of the LRC origin and destination areas demonstrates a unidirectional strategy, from economically more valuable areas to less valuable ones, according to land market dynamics. Therefore, this investigation concludes the need for greater administrative transparency, the development of a reliable geospatial data system for monitoring, and policy changes and actions to enhance environmental protection. [ABSTRACT FROM AUTHOR]- Published
- 2024
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17. СУБ'ЄКТИВНІ ЕКОЛОГІЧНІ ПРАВА ГРОМАДЯН УКРАЇНИ: ПРАВОВІ ПРОБЛЕМИ ЗМІСТУ І РЕАЛІЗАЦІЇ
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Г. І., Балюк, Ю. Л., Власенко, and Т. Г., Ковальчук
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SPECIES diversity ,UKRAINIANS ,LEGAL rights ,HUMAN ecology ,CIVIL rights ,ENVIRONMENTAL rights - Abstract
The article is devoted to the study of the legal nature of the subjective environmental rights of Ukrainian citizens and the definition of the main legal problems of their content and implementation. The article defines that environmental rights are a special type of civil rights, therefore their protection is ensured on the basis of civil legislation, if other rules are not established in environmental legislation. The authors concluded that the current environmental legislation of Ukraine, while declaring certain types of environmental rights, ignores the issue of their content. In addition, the circle of subjects who are the bearers of environmental rights is established arbitrarily in the legislation. The article defines that in order to prove a violation of a subjective right, it is necessary to know exactly what legal possibilities this right provides, and in what form its violation manifested itself. In our opinion, the problems of contradictions and conflicts of legislation regarding the mentioned issue paralyze the development of legal relations regarding the implementation and protection of subjective environmental rights. Enshrining in legislation the range of subjects of environmental rights and the content of these rights is a necessary prerequisite for the emergence of relevant legal relations. In addition, the legislative concept of «ecological safety» needs to be clarified and can be stated in the following version: «ecological safety is a state of the environment that meets the standards of its quality, the requirements of resource intensity, aesthetic richness and species diversity, ensures the stable functioning of natural ecosystems, natural and natural and anthropogenic objects with the aim of preserving human life and health, as well as meeting his needs in using the environment as a natural environment for life.» According to the authors of the article, the content of the right under consideration consists of the following powers of its subjects: first, the right to demand the provision of such an environmental condition that will be favorable for human health and life; secondly, the right to use the natural environment as a natural environment for human activity. [ABSTRACT FROM AUTHOR]
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- 2024
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18. МІСЦЕ ДЕРЖАВИ В СУЧАСНІЙ НОРМОТВОРЧОСТІ: ТЕОРЕТИКО-ПРАВОВИЙ АСПЕКТ
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В. Т., Осауленко
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LEGAL norms ,SCIENTIFIC knowledge ,ENVIRONMENTAL law ,LEGISLATIVE bodies ,JUSTICE administration - Abstract
In the content of the article, the author revealed the relevance of scientific knowledge of the issues of the place and role of the state in modern rule-making, characterizing both the features of the mechanism of modern rule-making and the specifics of the transformation of modern states. It was noted that the state's participation in law-making in the modern conditions of legal development in Ukraine is the subject of many discussions and debates on the part of representatives of legal doctrine. It was noted that today the doctrinal development of the issues of the state's place in the system of law-making subjects is acquiring an increasingly multifaceted dimension. The fact is that researchers today no longer ask the fundamental question of the state's belonging to the subjects of rule-making, but investigate a wide range of issues of the functioning of the state in the sphere of rule-making under the influence of various factors of the development of the legal system. Therefore, the issue of the place of the state acquires a broader and pluralistic character, represented in legal science by various approaches and directions of state characteristics, which include the following: 1) internationalization of law and state sovereignty; 2) expansion of the subject structure of rule-making; 3) strengthening of theoretical studies of institutions of public power, which are subjects of rule-making; 4) scientific studies of the process of digitalization of rule-making are becoming widespread; 5) questions of legal pluralism are increasingly being raised in legal science; 6) research on the influence of public requests and needs on rule-making activity, especially the activity of public authorities, is being intensified. It is concluded that in the modern system of rule-making, the state plays a central role as the main subject that forms and implements legal norms. This role is due to the fact that the state has the legitimate power to create, approve and monitor the implementation of legal prescriptions. State rule-making is carried out through legislative bodies, which adopt laws, as well as through executive and judicial bodies, which can adopt by-laws, interpret legal norms, etc. In addition, the state acts as a coordinator between various law-making subjects, ensuring the unity and coherence of legal norms. Thanks to this, legal conflicts can be avoided, social, economic and political processes can be more effectively regulated. However, along with state institutions, supranational (international) organizations, public associations and private entities are becoming increasingly important, which also influence the formation of legal norms, especially in matters of human rights, environmental law, economic integration, etc. Such interaction is an important element of the globalization of law and ensures the universality of legal standards, but it is the state that remains the main guarantor of the implementation and compliance with the norms of national law. [ABSTRACT FROM AUTHOR]
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- 2024
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19. Microbial pesticides: challenges and future perspectives for non-target organism testing
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Bilgin Karaoğlan, Abdulrahim T. Alkassab, Shannon Borges, Tom Fisher, Cozmina Link-Vrabie, Emily McVey, Lisa Ortego, and Marco Nuti
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Microbial pesticides ,Biopesticides ,Infectivity ,Pathogenicity ,Toxicity ,Non-target organisms ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Biopesticides have received increasing global attention as environmentally friendly alternatives, allowing for more sustainable pest and disease control. In order to be registered or authorized for use, safety studies need to be submitted for regulatory risk assessments. However, it has been frequently reported that, in particular, microbial pesticides have a number of challenges when it comes to non-target organism testing. For instance, study results from such tests are often difficult to interpret or they lack consistency and accuracy. Reasons for this can be found firstly in the heterogeneity and resulting complexity of microbe-based pesticides comprising different taxonomic groups (e.g., bacteria, fungi, and viruses), and secondly in the lack of appropriate guidance for testing these different microbial agents considering their unique biological properties. The present review gives an overview of the available test guidelines by reflecting the current regulatory background in the area of environmental risk assessment of microbial pesticides and describes general and specific issues associated with safety studies on terrestrial vertebrates, aquatic organisms, bees, non-target arthropods other than bees, meso- and macro-organisms in soil, and non-target terrestrial plants. Proposals for improvement of existing test guidelines or guidance documents are provided and further discussed.
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- 2024
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20. Advancements in evaporation prediction: introducing the Gated Recurrent Unit–Multi-Kernel Extreme Learning Machine (MKELM)–Gaussian Process Regression (GPR) model
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Sharareh Pourebrahim, Mohammad Ehteram, Mehrdad Hadipour, Ozgur Kisi, Ahmed El-Shafie, Ali Najah Ahmed, and Jit Ern Chen
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Evaporation prediction ,Deep learning models ,Feature selection ,Nonstationary data ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Predicting evaporation is an essential topic in water resources management. It is critical to plan irrigation schedules, optimize hydropower production, and accurately calculate the overall water balance. Thus, researchers have developed many prediction models for predicting evaporation. Despite the development of these models, there are still unresolved challenges. These challenges include selecting the most important input parameters, handling nonstationary data, extracting critical information from data, and quantifying the uncertainty of predicted values. Thus, the main aim of this study is to address these challenges by developing a new prediction model. The new prediction model, named Gated Recurrent Unit–Multi-Kernel Extreme Learning Machine (MKELM)–Gaussian Process Regression (GPR), was used to predict one-month ahead evaporation in the Kashafrood basin, Iran. This model was executed in multiple stages. First, a feature selection algorithm was used to determine the most critical input parameters. A data processing technique was then employed to decompose nonstationary data into stationary intrinsic mode functions (IMFs). The GRU model then processed these components to extract their essential information. In the following step, the extracted information was inserted into the MKELM model to predict evaporation. Finally, the GPR model quantified the uncertainty of predicted values. Our research also introduces a new optimizer called the Salp Swarm Optimization Algorithm–Sine Cosine Optimization Algorithm. This algorithm was used to tune the model parameters. This algorithm's performance and the prediction models’ accuracy were evaluated using several error indices. According to the study results, the GRU–MKELM–GPR model performed better than other models in predicting monthly evaporation. It improved the training and testing mean absolute error values of the other models by 21%-43% and 8.2–33%, respectively. Moreover, the new model improved the R2 (R-squared or coefficient of determination) values of other models by 5–12%. Generally, the main findings of this paper included the superior performance of the new model in predicting evaporation data and the superior performance of a new optimizer in adjusting model parameters. These findings highlighted the effectiveness of the suggested model in addressing the challenges associated with evaporation prediction.
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- 2024
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21. δ26Mg, δ44Ca and 87Sr/86Sr isotope ratios constrain Mg and Ca input–output mass balances in a heavily acidified headwater catchment
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Martin Novak, Frantisek Veselovsky, Jakub Hruška, Chris Holmden, Alexandre V. Andronikov, Yulia V. Erban Kochergina, Vaclav Kachlik, Marketa Stepanova, Ondrej Pour, Ondrej Sebek, Eva Prechova, Arnost Komarek, Jan Curik, Frantisek Laufek, Irina E. Andronikova, Daniela Fottova, Pavla Holeckova, and Tomas Paces
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Nutrient imbalances ,Magnesium ,Calcium ,Strontium ,Isotopes ,Headwater catchment ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract A Central European catchment underlain by base-poor orthogneiss was studied using mass budgets and Mg–Ca–Sr isotope systematics. For 50 years, the catchment received large amounts of partly soluble dust from a nearby cluster of coal-burning power plants, while suffering from acid rain and severe spruce die-back. Our objective was to investigate to what extent anthropogenic dust contributes to Mg and Ca in runoff and to identify fractionations affecting Mg and Ca isotope composition of 13 ecosystem pools and fluxes. We hypothesized that if Mg and Ca runoff fluxes were significantly larger than their atmospheric inputs, Mg and Ca isotope ratios in runoff would converge to those of bedrock Mg and Ca. This relationship could be obscured by isotope fractionations. Strontium characterized by negligible isotope fractionations served as a Ca proxy. There was a strong positive correlation between Mg and Ca fluxes via spruce throughfall and catchment runoff. Monitoring of rainfall, canopy throughfall and runoff fluxes revealed a 20-, 15- and 15-fold excess of Mg, Ca and Sr in runoff, respectively, compared to atmospheric deposition fluxes. This sizeable excess per se would indicate predominance of geogenic base cations in runoff. The behavior of Mg and Ca isotopes was de-coupled. Petrographic study indicated that 92% of bedrock Mg was bound to easily dissolving biotite, 97% Ca was present in plagioclase, and nearly all Sr was in orthoclase. While Mg isotope ratios in bedrock and runoff were indistinguishable, corroborating predominantly geogenic Mg in runoff, Ca and Sr isotope ratios in bedrock and runoff were significantly different, consistent with a non-negligible contribution of atmospheric Ca and Sr to runoff. Previous study of sites underlain by felsic rocks indicated that the δ44Ca value of apatite was often higher than the δ44Ca value of plagioclase. Should weathering of apatite and/or plagioclase preferentially release Ca that is isotopically heavier than bulk rock, the geogenic Ca source at JEZ would converge to the mean δ44Ca value of runoff. Calcium isotope data would then become more consistent with a major role of geogenic Ca in JEZ runoff indicated by mass balance data.
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- 2024
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22. Investigation of meso- and microplastics in commercially sold dried pink shrimp in Ekiti State, South West Nigeria
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Omowunmi H. Fred-Ahmadu, Frederick O. Ahmadu, Omolara A. Peters, Emmanuel G. Jolayemi, and Olasupo A. Ijabadeniyi
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Brackish water ,Crustacean ,Niger Delta ,Food contamination ,Dried crayfish ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Microplastics (MPs) are a global problem due to their pervasiveness and possible harm to humans and other living organisms. It has been reported that a wide variety of foods, including seafood, contain microplastics. Dried pink shrimp (Penaeus notialis) popularly called ‘dried crayfish’ is a common delicacy in many Nigerian and West African local recipes. To our knowledge, this is the first study to assess the presence of meso- and microplastics in dried shrimp in Nigeria. From a survey of five popular markets in Ekiti State, South West, Nigeria—Shasha, Oja Oba, Agric Olope, Afao (Ikere), and Oja Isale (Ifaki), 15 samples of sun- and smoke-dried pink shrimp were purchased, and their meso- (5–25 mm) and microplastic (1 to
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- 2024
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23. The role of certifications and eco-labels in fisheries: a systematic literature review of their benefits and challenges
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Marília Tenório Gouveia de Melo, Jheyce Milena da Silva Barros, Ana Regina Bezerra Ribeiro, Telma Lucia de Andrade Lima, and Marcos Felipe Falcão Sobral
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Eco-labels ,Seafood ,Small-scale fishery ,SLR ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Eco-labels are market tools that provide consumers with relevant information, enabling more informed and sustainable purchasing decisions. As fisheries operate on a high production scale, it is possible to dilute the costs of implementing and maintaining these initiatives. However, as the production scale decreases, small producing communities may need help participating in product certification processes. In global contexts, where consumer markets become increasingly demanding, the need for certification can translate into a barrier to selling such products. In this context, the present article aims to investigate existing certifications in the literature for large- and small-scale fisheries and their benefits and challenges for the fisheries. The systematic literature review was conducted to achieve the research objectives. A total of 38 articles were analyzed for this study. The Marine Stewardship Council emerged as the most recognizable certification body worldwide. Market access was the benefit of this certification scheme. On the other hand, small-scale fisheries face barriers in obtaining this market access tool, with costs being the primary challenge cited. Certification schemes can significantly enhance the fisheries value chain by fostering better interactions between fisheries stakeholders and reshaping the structure of small-scale fisheries.
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- 2024
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24. Beyond the Just Transition: a critical inquiries from the pluriverse
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Walter Leal Filho and Maikel Pons-Giralt
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Just transition ,Green economy ,Social equity ,Sustainable development ,Pluriverse ,Epistemic justice ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract The “Just Transition” concept aims to ensure an equitable shift toward low-carbon economies by minimizing negative impacts on workers, communities, and vulnerable sectors, while inclusively distributing the benefits of environmental policies. However, this process faces structural and conceptual barriers that extend beyond technical challenges, such as the lack of effective participation, power dynamics, persistent inequalities, and tensions between economic growth and sustainability. This work transcends traditional notions by adopting a plural and critical perspective from the Pluriverse to explore the challenges and opportunities in reshaping the Just Transition. We argue that integrating local knowledge and adopting epistemic justice approaches are essential for designing transitions that not only mitigate the climate crisis but also promote autonomy, social equity, and ecological regeneration.
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- 2024
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25. Calculating the effect of intensive use of urban organic waste on soil concentrations of potentially toxic elements in a peri-urban agriculture context in Norway
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Anne-Kristin Løes, Sebastian Eiter, and Tatiana Rittl
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Cadmium ,Copper ,Zinc ,Small-scale vegetable growing ,Food wastes ,Urban agriculture ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background Recycling nutrients and organic matter available as waste in urban areas may close nutrient gaps and improve soil quality, but the concentrations of potentially toxic elements (PTEs) are commonly higher than in mineral fertilisers. How quickly may the limits for soil quality be exceeded, and for which elements, if such materials are applied intensively? For a rough answer to this question, we used soil data from ten case farms near Oslo and Bergen (Norway) to estimate how PTE concentrations increased when the demand for nitrogen (N), phosphorus (P) and potassium (K) in a theoretical carrot crop produced every year was covered by compost or digestate from source-separated food waste, or composted garden waste, compared with manure from horses and poultry which are often kept in peri-urban areas. Results With the intensive fertilisation assumed here, the Norwegian soil quality limits for PTEs were reached within 20–85 years, and faster for soil with more organic matter since regulatory limits set by weight discriminate soils with low bulk density. The limits were reached first for Cu and Zn, which are both essential micronutrients for crop plants. The concentrations of macronutrients in the urban waste-based fertilisers were not well balanced. Rates covering the K demand would lead to high surpluses of P and N. In peri-urban vegetable growing, high applications of compost are not unusual, but more balanced fertilisation is required. Conclusions The Norwegian regulations for PTEs in organic soil amendments and agricultural soil are stricter than in the EU, and do not support recycling of organic matter and nutrients from urban waste. Many materials which can only be applied with restricted amounts to Norwegian agricultural soil, may be applied according to crop demand in the EU. Growers utilising urban waste-based fertilisers intensively should monitor the soil regularly, including PTE analyses. Soil sampling should occur on fixed sampling points to reveal changes in concentrations over time. Norwegian authorities should consider a revision of the organic fertiliser regulation to support recycling of valuable organic materials. There is a need for more data on the PTE concentrations in agricultural soil and organic fertiliser materials.
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- 2024
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26. Insights into the role of hexa-bacterial consortium for bioremediation of soil contaminated with chlorantraniliprole
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Mohamed A. Fahmy, Samir H. Salem, Hassan I. Abd El-Fattah, Behairy A. Akl, Mohamed Fayez, Mohamed Maher, Ahmed A. A. Aioub, and Mahmoud Sitohy
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Chlorantraniliprole ,Bacterial consortia ,Bioremediation ,CO2 uptake ,UV scan ,Diamide pesticide ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract This study evaluates the efficacy of discrete bacterial consortia in bioremediating sandy loamy soil deliberately contaminated with 20 mg/kg of chlorantraniliprole (CAP). It monitors alterations in total bacterial populations and CO2 emissions, tracking residual CAP levels through UV scanning and HPLC analysis. Six active bacterial degraders (four Bacillus strains (B. subtilis subsp. subtilis AZFS3, B. pumilus AZFS5, B. mojavensis AZFS15, and B. paramycoides AZFS18), one Alcaligenes strain (A. aquatilis KZFS11), and one Pseudomonas strain (P. aeruginosa KZFS4)) were used in single or combined preparations and grown on trypticase soy broth for 24 h at 30 °C before preparing the inoculants and adjusting the bacterial cell count to 107 CFU/dwt g soil. The bacterial consortia were added to the CAP-contaminated soil and incubated for 20 days at 30 °C. The di-, tetra-, and hexa-bacterial consortia recorded the highest levels of viable bacteria, reaching their peak after 3 to 11 days of incubation. Then, they declined to the minimum levels at the end of the 20 days, which coincided with their complete removal of CAP from the soil. At the end of the incubation period (20 days), the CAP was mainly biodegraded, scoring biodegradation rates of 90.05%, 93.65%, and 98.65% for T3, T4, and T5, respectively. This concurred with the highest average CO2 production. Based on the results of the HPLC analysis, the hexa-bacterial consortium T5 demonstrated the highest rate of CAP biodegradation (99.33%) after a 20-day incubation period, resulting in the lowest residual level of CAP in the soil (0.67%). Bioinformatic analysis predicted that the CAP biodegradation pathway reached CO2 and H2O. Under optimized conditions, the hexa-bacteria consortium is the most effective CAP biodegraded and is recommended as an eco-friendly treatment for eliminating CAP pollution in the field.
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- 2024
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27. Disentangling mechanisms by which microplastic films affect plant-soil systems: physical effects of particles can override toxic effects of additives
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Y. M. Lozano, C. Perlenfein, M. G. Bernal, and M. C. Rillig
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Global change factors ,Heavy metals ,Microplastic size ,Pollution ,Total organic carbon ,Toxicity ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background Microplastics, polymer-based particles
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- 2024
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28. Unlocking the potential of data harmonization and FAIRness in chemical risk assessment: lessons from practice and insights for policy development
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Oona Freudenthal, Marcos Da Silveira, and Louis Deladiennee
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Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Persistent and toxic chemicals remain a significant pollution concern, underscored by the European Union's Zero Pollution Action Plan. Daily exposure to complex chemical mixtures starts early and continues throughout life, for instance for consumer products such as toys, plasticware, furniture, and synthetic fibres. EU-funded research projects like COPHES/DEMOCOPHES, HBM4EU, and PARC have documented population exposure to these substances. The outcomes of such research initiatives have contributed to highlighting the adverse health impacts of Substances of Concern (SoCs), leading to several regulatory actions within the EU. SoCs include hazardous chemicals such as carcinogens, mutagens, endocrine disruptors, and “persistent, bioaccumulative, and mobile” (PBM) chemicals. The digital transformation in chemicals management has resulted in policies that mandate electronic submissions of chemical risk assessment-relevant data, and the creation of industry-specific databases like the Substances of Concern in Products (SCIP) database, established by the European Chemicals Agency (ECHA) under the revised Waste Framework Directive (WstFD). These databases describe SoCs and their link with products, offering a comprehensive view of chemical quantities, emission sources, exposure pathways, and other relevant data, contingent on robust data governance. Effective chemical risk assessment requires characterizing hazards, exposure sources and levels, and drawing conclusions concluding on potential risks, supported by a well-defined problem formulation and monitoring. This includes setting objectives and defining the scope of the risk assessment and decision-making, particularly regarding early warning signal detection for the purpose of public health protection. Successful risk assessment hinges on access to robust, traceable, accessible, and interoperable data across scientific disciplines and regulatory frameworks. This paper discusses the challenges of aggregating human health risk assessment-relevant chemical information from multiple sources, especially from the perspective of data fusion and reuse. It presents findings from a research project focused on utilizing chemicals datasets from various governmental and scientific sources. The study highlights the need for improved data presentation and availability to enhance usability for all stakeholders. Recommendations are made for the EU Commission, ECHA, industry, and academia to support harmonized data practices, increased transparency, and the development of sustainable chemical applications fostering safer market introductions. These recommendations can also be useful to other data providers that care about the reusability of the data they publish or manage.
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- 2024
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29. COVID-19 pandemic microplastics environmental impacts predicted by deep random forest (DRF) predictive model
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Liping Chen, Arkan K. S. Sabonchi, and Yaser A. Nanehkaran
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Microplastics ,COVID-19 ,Pandemic plastic ,Environmental impact ,Public health ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background Microplastic pollution is a pressing issue with far-reaching environmental and public health consequences. This study delves into the intricacies of predicting microplastic pollution during the COVID-19 pandemic in Tehran, Iran. Methods The research introduces a rigorous comparative analysis that evaluates the predictive prowess of the Deep Random Forest algorithm and established benchmarks, such as Random Forest, Decision Trees, Gradient Boosting, AdaBoost, and Support Vector Machine. The evaluation process encompasses a meticulous 70–30 training–testing split of the main data set. Performance is assessed by analysis metrics, including ROC and statistical errors. The primary data set encompasses distinct categories, including household wastes, hospital wastes, clinics wastes, and unknown-originated susceptible waste which is categorized in Infected items, PPEs, SUPs, Test kits, Medical packages, Unknown-originated pandemic mircoplastic waste. Deliberately, this data set was partitioned into training and testing subsets, ensuring the robustness and reliability of subsequent analyses. Approximately 70% of the main database was allocated to the training data set, with the remaining 30% constituting the testing data set. Results The findings underscore the proposed algorithm’s supremacy, boasting an impressive AUC = 0.941. This exceptional score reflects the model’s precision in categorizing microplastics. These results have profound implications for environmental management and public health during pandemics. Conclusions The study positions the proposed model as a potent tool for microplastic pollution prediction, encouraging further research to refine predictive models and tap into new data sources for a more comprehensive understanding of microplastic dynamics in urban settings.
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- 2024
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30. Is environmental risk assessment possible with the alternatives to acute fish toxicity test? Case study with pharmaceuticals
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Marie Mlnaříková, Marek Pípal, Lucie Bláhová, and Luděk Bláha
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AFT alternative ,zFET ,RTgill-W1 ,ECOSAR ,ERA ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background Acute fish toxicity test (AFT) is one of the cornerstones of environmental risk assessment (ERA) of chemicals for the aquatic environment. Despite many efforts to find an alternative able to fully replace the test, there is still lasting pressure from stakeholders for AFT results. Results Here, we present the results of a case study with eight pharmaceuticals from various pharmaceutical groups with different levels of expected toxicity to fish. Selected compounds were tested in two validated alternative tests—fish embryo toxicity test with zebrafish (Danio rerio) (zFET) and in vitro RTgill-W1 assay according to their corresponding OECD guidelines TG 236 and TG 249, respectively. Data for AFT were collected from PubMed and ECOTOX knowledgebase databases, and acute toxicity to fish was further predicted in silico by the ECOSAR program. Predicted environmental risks (risk quotients, RQ, calculated using the exposure data from NORMAN) from both zFET and RTgill-W1 well correlated with the average RQs based on AFT LC50s. The strongest and most significant correlation was observed while comparing the AFT results with the median of combined alternative methods (zFET, RTgill-W1, ECOSAR). Conclusions This proposed approach combining experimental data with modeling could serve as a reliable tool for predictions of environmental risks promoting the 3R alternatives to acute fish toxicity testing.
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- 2024
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31. Microbial biopesticides are inhibited by honey bee royal jelly and in vitro larval diet
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Daniel R. Schmehl, David Larsen, Camille Gomez, and Lisa Ortego
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Honey bee ,Biopesticide ,Microbe ,In vitro rearing ,Ecotoxicology ,Risk assessment ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract The interest in and use of biological materials in crop production is increasing globally at a rapid pace. In many cases, testing methods for conventional chemicals are applied to microbial-based biopesticides because specific microbial test methods are lacking. However, not all methods are easily transferred to microbial-based products. An evaluation was conducted to determine if OECD (Organization for Economic Co-operation and Development) Guidance Document No. 239 on honey bee larval toxicity could be adapted to microbial pesticides. In our study, five microbes, including B. pumilus, B. thuringiensis, B. velezensis, Paenibacillus larvae, and Ascophaera apis were grown on agar media and spotted with either honey bee in vitro larval diet or royal jelly. We observed that the honey bee larval bee diet and royal jelly did not inhibit the fungal honey bee pathogen Ascophaera apis, yet inhibited the growth of bacteria, including a known honey bee larval pathogen. This finding may make the test unreliable for certain biopesticides. The OECD is considering biopesticide-specific testing guidelines, and the EPA has indicated it to update itsbiopesticide bee test guidelines. However, additional research is needed to determine which options may be feasible and provide the best improvements.
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- 2024
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32. Heavy metal contamination and potential health risks in upland rice-producing soils of rotational shifting cultivation in northern Thailand
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Noppol Arunrat, Praeploy Kongsurakan, and Sukanya Sereenonchai
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Heavy metals ,Rice ,Carcinogenic and non-carcinogenic risk ,Translocation factor ,Rotational shifting cultivation ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Rotational shifting cultivation (RSC) is commonly practiced in northern Thailand for upland rice cultivation, primarily for household consumption. However, the potential health risks from heavy metal contamination in these soils have not been thoroughly explored. This study aimed to evaluate the contamination of six heavy metals (Arsenic (As), Mercury (Hg), Cadmium (Cd), Lead (Pb), Copper (Cu), and Chromium (Cr)) in upland rice across RSC fields with varying fallow periods and assess the associated health risks from rice consumption. Four RSC fields with 5, 6, 10, and 12-year fallow periods were examined. The RSC-6Y and RSC-12Y fields were used for upland rice cultivation in 2022, while the RSC-5Y and RSC-10Y fields were cultivated in 2023. The geo-accumulation index (Igeo) was calculated, and translocation factors (TF) were assessed for the transfer of heavy metals from soil to straw (TFStraw/Soil), straw to grain (TFGrain/Straw), and soil to grain (TFGrain/Soil). The results indicated that after burning vegetation in the RSC fields, the highest concentrations of Pb, Cr, and Hg were found in the ash. In RSC soils, Cu, Cr, As, Pb, and Hg levels were below reference standards, with Cd undetected. In rice grains, the order of concentration was Pb > Cu > Cr > As, with Hg and Cd undetected. Pb levels in rice grains exceeded the safety threshold. Igeo values indicated no contamination to moderate contamination across sites, with negative Igeo values for Cr and Cu, and zero values for Cd. The TF results showed limited transfer of As, Hg, and Cd from soil to rice plants (TFStraw/Soil
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- 2024
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33. The knock for knock regime in offshore decommissioning contracts
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Saraceni, Pat
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- 2023
34. The role of finance in achieving green shipping
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Rizou, Dora
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- 2023
35. Does leadership gender diversity drive corporate social responsibility and organizational outcomes?: The role of organization size
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Ali, Muhammad, Grabarski, Mirit K, Ahmed, Sana, and Imtiaz, Nazish
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- 2024
36. Environmental risk scenarios of specific NGT applications in Brassicaceae oilseed plants
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Franziska Koller, Michael Cieslak, and Andreas Bauer-Panskus
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New genomic techniques (NGT) ,Genetically engineered organisms ,Genome editing ,Hazard identification ,Unintended effects in NGT plants ,NGT Brassicaceae ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background Oilseed plants of the Brassicaceae plant family are cultivated for food, feed and industrial purposes on large-scale in Europe. This review gives an overview of current market-oriented applications of new genomic techniques (NGTs) in relevant Brassicaceae oilseed crops based on a literature survey. In this respect, changes in oil quality, yield, growth and resistance to biotic and abiotic stress are under development in oilseed rape (Brassica napus), camelina (Camelina sativa), and pennycress (Thlaspi arvense). Main findings Environmental risk scenarios starting with hazard identification are developed for specific NGT applications in Brassicaceae oilseed crops with either a changed oil composition or with fitness-related traits. In case of a changed oil composition, an increase or decrease of polyunsaturated fatty acids (PUFA) may lead to risks for health and survival of pollinators. Regarding fitness-related traits, other risks were identified, i.e. an increased spread and persistence of NGT plants. Furthermore, there are indications for potential disturbance of interactions with the environment, involving signalling pathways and reaction to stress conditions. Conclusion It is shown that for environmental risk scenarios of the technological specificities of NGTs, the plants’ biology and the scale of releases have to be considered in combination. Therefore, the release of NGT plants into the environment for agricultural purposes will, also in future, require risk assessment and monitoring of individual traits as well as of combinatorial and long-term cumulative effects. In addition, risk management should develop concepts and measures to control and potentially limit the scale of releases. This is especially relevant for NGT Brassicaceae in Europe, which is a centre of diversity of this plant family.
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- 2024
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37. Temporal and spatial analysis of fertilizer application intensity and its environmental risks in China from 1978 to 2022
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Shanshan Yang, Huiling Chen, Zhansheng Li, Yifan Ruan, and Qiying Yang
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Chemical fertilizer application ,Environmental risks ,Agriculture ,N2O emission ,Policy ,Mitigation measures ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Fertilizers are an essential input in agriculture as they can enhance crop yields. However, their use also poses significant environmental risks. To thoroughly explore the intensity of fertilizer use and its potential threats to the ecological environment, this study analyzed the environmental risks of fertilizer use from a temporal and spatial perspective based on fertilizer application data in China from 1978 to 2022. Additionally, the contribution of fertilizer application in Chinese farmland to greenhouse gas N2O emissions was quantified using IPCC emission factor methodology. The results indicated that fertilizer application intensity and N2O emissions in China initially increased and then decreased from 1978 to 2022. Despite the implementation of various fertilizer control measures at the policy level, such as the Zero Growth of Fertilizer Action in 2015 and the Efficiency-Increasing Action for Reducing Fertilizer Use in 2022, the intensity of fertilizer application in China still exceeded international safety standards by 1.33-fold in 2022, reaching 298.79 kg/hm2. Furthermore, N2O emissions amounted to 50.17 × 104t, accounting for 16% of China's total agricultural greenhouse gas emissions that year. Correlation and regression analyses demonstrated that with increasing fertilizer application, crop production exhibits an inverted U-shaped growth trend, indicating limited effectiveness of high-intensity fertilizer use in increasing crop yields. These findings highlight the profound greenhouse effect resulting from the use of agricultural nitrogen fertilizer. Therefore, this study proposed technical and policy-level mitigation measures to address the issues caused by excessive fertilizer application, aiming to provide insights for controlling agricultural non-point source pollution and preserving the agroecological environment.
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- 2024
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38. How to measure the impact of landsenses ecology on sustainable development? A review of people-oriented emerging approaches
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Zhang Lan
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Landsenses ecology ,Landsense creation ,Sustainable development ,Sustainability transition ,Transdisciplinary ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract At present, the research of sustainable development is developing from a single local problem to a multi-scale, transdisciplinary and comprehensive study. The evaluation and monitoring of its progress need to adopt multi-disciplinary research methods and multi-dimensional, multi-scale identification mechanism. Landsenses ecology is an emerging scientific system that uses the basic principles of ecology to study the sustainable development of land-use planning, construction, and management from the aspects of natural elements, physical senses, psychological perceptions, social economy, process and risk. It provides an effective way for the multi-disciplinary integration research of the relationship between human and ecosystem, and provides an important method and theory for the sustainable transformation research of environmental system and social–economic system, and plays an important role in guiding and realizing the beneficial impact of human on natural ecosystem. This study describes 57 articles published in peer-reviewed journals between 2016 and 2024, using qualitative content analysis, and discusses the impact of landsenses ecology on the way sustainable development is perceived and practiced. The results suggest that the role of landsenses ecology in the creation of sustainable vision resonance and behavior is crucial to the study of sustainable transformation and will help to explore effective strategies for using intrinsic sustainable transformation as a deep leverage point.
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- 2024
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39. GhGME31D identified to regulate AsA activation in response to alkali stress from GME gene family implications in cotton
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Xiao Chen, Yapeng Fan, Hongyu Nan, Cun Rui, Jing Zhang, Menghao Zhang, Yuping Sun, Lidong Wang, Zhining Yang, Ruize Song, Fange Wu, Shuai Wang, Lixue Guo, Xiugui Chen, Xuke Lu, Xiaoping Zhu, Ning Wang, Keyun Feng, Kunpeng Zhang, and Wuwei Ye
- Subjects
GDP-D-mannose 3′, 5′-epimerase (GME) ,Gossypium hirsutum ,Abiotic stress ,Differential expression ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Vitamin C, also referred to as ascorbic acid (AsA), is recognized for its capacity to cure and avert scurvy, and it is crucial for regular human growth and development. In various crops, AsA participates in stress response mechanisms mediated by abscisic acid and has been discovered to have a crucial function in the morphogenesis, growth, development, and production of male gametes in plants. GDP-D-mannose 3′,5′-epimerase (GME) is essential in the synthesis of vitamin C. Our research identified 91, 83, 51, and 46 genes, respectively, found in G. barbadense (GbGMEs), G. hirsutum (GhGMEs), G. arboretum (GaGMEs), and G. raimondii (GrGMEs). Plants resulting from VIGS infection with GhGME31D clearly showed yellowing, water loss and wilting of leaves and black spots on stems. Measurement of MDA and AsA levels indicated that the plants were more damaged. This indicates that AsA has a substantial impact on plant growth and development.
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- 2024
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40. Identifying, Prioritizing, and Evaluating Mutual Relationships between the Principles of Civil Responsibility in the Rights of Forest Ecosystems
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Pouyan Dehghan, Ramazan Dehghan, and Seyed Mehdi Ahmadi
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forest destruction ,sustainable development ,international law ,environmental law ,structural self-interaction matrix ,Plant ecology ,QK900-989 - Abstract
Extended Abstract Background: In the third millennium, the consequences of human intervention in forest ecosystems have been revealed more than ever. Today, the protection of forest ecosystems is essential not only in our country but also for the entire world of humanity. This importance comes from the fact that human life is basically tied to forest ecosystems, and a healthy person cannot be imagined, except in clean and healthy forest ecosystems. An issue that has unfortunately been neglected with the departure of mankind from the path of balance and has been unwisely and shortsightedly forgotten with the expansion of the process of industrialization and the growth of human technology and knowledge. The damage posed to the forest ecosystem during the past decades is by no means comparable to the previous ones and has posed human society to destructive and fragile crises. Encroachment of government agencies on public property, arbitrary seizure of natural resources by various institutions, production of non-standard cars by government factories, failure of the Environmental Protection Organization to protect protected areas, and the like can be the subject of complaints and lawsuits of non-governmental organizations in the Court of Administrative Justice. This research aims to identify the principles of rights related to forest ecosystems using the Delphi method and interpretive structural modeling to answer the question about the relationships between these principles. Methods: The Interpretive Structural Modeling (ISM) method was used to identify the principles of ecological rights of forest organisms and stratify and interpret the relationships between indicators. As one of the system analysis methods, ISM is based on nonparametric methods and the frequency mode. The main principles of rights related to forest ecosystems were initially identified using the opinions of specialists and experts in this field and by reviewing the research conducted on environmental rights and forest ecosystems. The statistical population consisted of 40 experts in the field of law and advocacy. In the next step, the Delphi method was used to reach group consensus. To carry out this method, questionnaires in the form of a Likert scale were distributed among the statistical population on four occasions. In this questionnaire, the experts were asked to specify the importance and priority of each principle on a scale of 1-5 (not important to very important). In the next step, a questionnaire was distributed among the statistical population aiming at examining the mutual effects of the principles proposed in pairs, as well as the influence and effectiveness of these principles on each other. The mode of opinions was used to reach a consensus among the experts, and the Structural Self-Interaction Matrix (SSIM) was made from the results of the answers. After that, the final matrix of structured self-interaction was made using the mode of experts' responses. Then, the primary access matrix was obtained by transforming the SSIM into a two-valued matrix (0 and 1). After forming the initial access matrix, the final access matrix was formed by intervening transferability in the relationships between the variables. Thereafter, the indicators were ranked using the final access matrix by defining leading and last or accessible sets. After determining these sets, the indicators were ranked and the final matrix of the ISM diagram was drawn based on the determined levels. Finally, the MICMAC method was used to analyze the obstacles. Results: To analyze the indicators of civil responsibility in the rights of forest ecosystems, 18 out of 30 identified indicators were selected using the Delphi method and experts' opinions. The prioritization of civil responsibility indicators in the rights related to forest ecosystems according to the results of the Delphi questionnaires (second and third stages) showed that the least and utmost importance levels belonged to the principles of non-retroactivity and sustainable development, respectively. The selected indicators were the no-harm rule, the waste rule, the attribution rule, the theory of fault, the general rules of civil liability in accordance with Article 1 of the Civil Liability Law, and the principles of non-harmful use of land, prevention, sustainable development, commitment to Cooperation, information and assistance in environmental emergencies, duty and generality of protection of forest ecosystems, exploitation of forest ecosystems, sovereignty over natural resources, the necessity of protection, payment by the polluter, responsibilities Common but different, participation, dealing with environmental damage at the source, and common concern. The results showed that all indicators of civil responsibility in the rights related to forest ecosystems, except for the rule of waste (influence power 10) and the principle of payment by the polluter (influence power 16), possessed an influence power of 18 with the most effectiveness. The results of the final access matrix and the power of dependence (the effectiveness of each indicator on the other indicators) showed that all the indicators, except for the principles of sustainable development and governance over natural resources (power of dependence 16) had the power of dependence values of 18 and 17. Conclusion: The principles of civil responsibility in the rights related to forest ecosystems, including environmental rights, international environmental rights, and forest rights, can have mutual effects that affect the management of natural resources and the protection of forest ecosystems.
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- 2024
41. Subjectivity of visual assessments in FOCUS kinetics and acceptability of first-order fits for regulatory modelling
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Edna Rödig, Simon Ford, Andrew D. Bailey, Michael Bird, and Mitesh Patel
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Regulatory modelling ,FOCUS kinetics ,Objective function ,Single first order ,Least squares ,Visual assessment ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract The degradation half-life (DegT50) of a substance in soil plays an important role in the approval process of a plant protection product and is a sensitive input parameter for regulatory models. It is usually derived through least squares optimizations of mathematical models to measured degradation data according to EU FOCUS degradation kinetics guidance. A strong consensus on degradation parameters provides a solid foundation for parts of the environmental risk assessment. The DegT50 of a substance for regulatory modeling is preferably derived from a single first-order (SFO) model as this is currently the only kinetic model implemented in EU regulatory models of the environmental fate of pesticides. However, kinetic optimisation tools do not always provide a regulatory acceptable SFO fit even though a visual inspection of the data suggests it may be possible. It was therefore hypothesized that more acceptable SFO fits might be achieved by adapting the objective function that is minimized during the optimization. Eight objective functions with varying weightings were tested on 29 laboratory soil degradation datasets. A web-based app was developed to allow experts in environmental safety of plant protection products to visually assess the goodness of fits resulting from different objective functions. The visual assessments and a quantitative metric, newly introduced in the proposed update of the FOCUS guidance, show that the acceptability of SFO fits can be increased, but no single objective function exclusively improves all fits. The assessment reveals that expert judgment is very subjective. Participants tended to change their mind when judging the acceptance of a fit, assumingly caused by a learning curve or a period of calibration. It is concluded that different objective functions could be considered in the kinetic assessment as it can improve the acceptability of SFO fits and hence endpoints for regulatory modeling. This study reveals that various qualitative factors influence the visual judgment of experts when performing a kinetic modeling assessment. The proposed quantitative metric seems to be in alignment with the visual assessment of fits to derive modeling endpoints and a promising step toward less subjective kinetic modeling assessments.
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- 2024
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42. Extremely high levels of PBDEs in children’s toys from European markets: causes and implications for the circular economy
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Chijioke Olisah, Lisa Melymuk, Ondrej Audy, Petr Kukucka, Petra Pribylova, and Martin Boudot
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Flame retardants ,Consumer products ,Plastic recycling ,E-waste ,Enforcement ,Compliance ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background With the high influx of low-cost plastic toys on the market, there is growing concern about the safety of such toys. Some of these plastic toys contains hazardous chemicals like polybrominated diphenyl ethers (PBDEs) due to the use of recycled plastics in new toy manufacturing. Here, we investigated if toys marketed in Europe are compliant with EU directives to assess the safety of currently used children's toys and identify implications of PBDE content in toys. Results Eighty-four toys purchased from international toy retailers were screened for bromine using X-ray fluorescence (XRF), and 11 of those with bromine content higher than 500 µg/g were analyzed for ten PBDEs using GC–HRMS. PBDEs were detected in all 11 toys. Ʃ10PBDE concentrations ranged up to 23.5 mg/g (with a median concentration of 8.61 mg/g), with BDE-209 being the most abundant compound (4.40 mg/g). Eight samples exceeded the EU’s Low POP Content Limit (LPCL) of 500 µg/g for the Ʃ10PBDEs by 6–47 times and the Unintentional Trace Contaminant (UTC) limits of 10 µg/g for Deca-BDE by 12–800 times. Conclusions PBDEs were up to percent levels, suggesting direct recycling of flame retarded plastic, e.g., e-waste plastics, into toy components. This is a call for concern and requires intervention from all stakeholders involved in the toy market. Overall, the occurrence of non-compliant toys in the EU market, as indicated in this study is primarily attributed to gaps in regulations, inadequate legislation for recycled plastics, the rise of online sales, complexities in global and national supply chains, and economic challenges. Failure to address these issues will hinder the efforts of the plastics industry to transition into a circular economy. This suggests that more actions are needed to address gaps in cross-border enforcement, and stricter sanctions are required for toy manufacturers who fail to adhere to regulations and safety standards.
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- 2024
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43. Geographical distribution of caudatoside and ptaquiloside in bracken ferns in Northern Europe
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Vaidotas Kisielius, Bo Markussen, Hans Christian Bruun Hansen, and Lars Holm Rasmussen
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Carcinogenic compounds ,Environmental contamination ,Geographical variation ,Illudane glycosides ,Invasive species monitoring ,Plant toxicology ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Bracken ferns (genus Pteridium) are among the most prevalent plants worldwide, with their distribution expanding due to their invasive nature. The environmental implications of their proliferation in areas affected by human activity, natural disasters, or land-use changes are concerning, primarily because of the carcinogenic illudane glycosides they produce. These compounds cause domestic and wildlife animal poisoning, as well as contamination of dairy products and drinking water. Several illudane glycosides are known, but usually only ptaquiloside (PTA) is monitored. This study investigates the spatial and temporal variations in illudane glycosides PTA, caudatoside (CAU) and ptesculentoside (PTE) across two phenotypes of Pteridium aquilinum (vars. aquilinum and latiusculum) over a broad geographic range spanning Denmark, Sweden, and Finland, encompassing 66 locations. We analysed different parts of the fern fronds (the tips and the lowest pinnae) using LC–MS and statistically explored the influence of phenotype, frond part, geographic location, sunlight exposure, and the surrounding ecosystem on glycoside content. Our findings reveal that PTA accounts for approximately two-thirds of the total illudane glycoside content, followed by CAU at nearly one-third, and a minor contribution from PTE. Glycoside levels were not influenced by phenotypic varieties or the studied environmental factors, but were significantly affected by geographic location. Specifically, CAU levels increased progressively towards the northeast, while PTA concentrations were highest in Denmark and markedly decreased in northeastern countries by over threefold, presumably due to climatic gradient. It has been further supported by temporal analysis in selected PTA-dominant regions indicating a reduction in PTA towards the end of the growing season, aligning its levels with those of CAU. Our study highlights that CAU concentrations in bracken ferns may equal or surpass PTA, contesting the prevailing view that PTA is the only notable illudane glycoside in Bracken. To provide unbiased assessment of the potential risks posed by P. aquilinum in the region, environmental and toxicological research should include measurements of not only PTA, but also CAU and, if possible, PTE.
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- 2024
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44. Microplastics and chemical contamination in aquaculture ecosystems: The role of climate change and implications for food safety—a review
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Omowunmi H. Fred-Ahmadu, Frederick O. Ahmadu, Adebusayo E. Adedapo, Itebimien Oghenovo, Oluwafemi T. Ogunmodede, and Nsikak U. Benson
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Blue foods ,Sustainability ,Fish feed ,Food web ,POPs ,SDGs ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract The aquaculture industry is growing rapidly and plays a huge role in bridging the global demand gap for fish and other aquatic foods. It is a vital contributor of valuable nutrients and economic benefits. Aquaculture and fisheries provide a means of livelihood to an estimated 58.5 million people globally, according to the United Nations Food and Agriculture Organisation. However, the sector is impacted by the ubiquity of microplastics and toxic chemicals. Although many studies have reported plastic pollution in the aquaculture environment, less attention has been paid to the coexistence of toxic chemicals with plastic particles and the role of climate change in aquaculture food contamination. This review evaluates the occurrence of microplastics in organisms, feeds, water, and sediment in the aquaculture ecosystem and the detection and hazardous effects of toxic chemical contaminants. We also highlight novel insights into the role of climate change in plastic and chemical contamination of aquaculture organisms and ecosystems. We report that the extent of aquaculture’s contribution to global climate change and global plastic pollution is yet to be adequately quantified and requires further investigation for appropriate risk assessment and prevention of food safety crisis. Possible mitigation strategies for the highlighted pollution problems were suggested, and some identified gaps for future research were indicated. Overall, this work is one of the first efforts to assess the influence of climate change on aquaculture food contamination, emphasising its effects on food safety and ecosystem health. Graphical Abstract
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- 2024
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45. Fungi as versatile biocatalytic tool for treatment of textile wastewater effluents
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Ashok Pundir, Mohindra Singh Thakur, Suraj Prakash, Neeraj Kumari, Niharika Sharma, Ettiyagounder Parameswari, Zhongqi He, Sunghyun Nam, Mamta Thakur, Sunil Puri, Shriniketan Puranik, Sunil Kumar, Madhu, and Manoj Kumar
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Textile wastewater ,Azo dye ,Fungus ,Bioreactor ,Immobilized ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Textile wastewater poses a significant environmental challenge, primarily due to the presence of diverse contaminants, especially textile dyes. Untreated release of these effluents directly into aquatic systems can lead to esthetic degradation, eutrophication, reduced photosynthetic activity, and accumulation of hazardous substances. Although conventional treatment methods are employed for reducing the contaminant load in effluents, they often are less efficient, thus prompting the exploration of innovative alternatives. Current review highlights myco-remediation as an inexpensive, promising and environmentally sustainable solution. Fungi, with their diverse decontamination mechanisms such as biosorption, biotransformation, and immobilization, prove effective in reducing heavy metals, persistent organic pollutants, and emerging contaminant levels present in these effluents, However, more research effort is needed to apply the biodegradation strategy to decompose completely the “forever chemicals” per‐ and polyfluorinated alkyl substances. Fungi play a key role in degrading and decolorizing textile dyes due to their biocatalytic activity mediated by the production of oxidative enzymes, such as laccases, lignin peroxidases, and manganese peroxidases, as well as their dye adsorption capabilities. This comprehensive review concentrates on fungi-based remediation of textile wastewater effluents, including the mechanisms they employ. While most studies concentrate on effluent treatment, this review also explores the concurrent utilization of biomass and growth kinetics for efficient reduction in pollutant concentrations. Further, the current work showed data on optimization of growth conditions such as pH, temperature and nutrient requirements that lead to efficient effluent decontamination.
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- 2024
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46. Exploring a GIS-based analytic hierarchy process for spatial flood risk assessment in Egypt: a case study of the Damietta branch
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Mohamed Zhran, Karim Ghanem, Aqil Tariq, Fahad Alshehri, Shuanggen Jin, Jayanta Das, Chaitanya Baliram Pande, Malay Pramanik, Fahdah Falah Ben Hasher, and Ashraf Mousa
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Flood risk assessment ,AHP ,Sensitivity analysis ,Multiple criteria decision analysis (MCDA) ,Remote sensing and GIS ,ROC ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Floods are the most common and costly disasters worldwide, while spatial flood risk assessment is still challenging due to fewer observations and method limitations. In this study, the flood risk zonation in the Nile districts of the Damietta branch, Egypt, is delineated and assessed by integrating remote sensing with a geographic information system, and an analytical hierarchy process (AHP). Twelve thematic layers (elevation, slope, normalized difference vegetation index, topographic wetness index, modified normalized difference water index, topographic positioning index, stream power index, modified Fournier index, drainage density, distance to the river, sediment transport index, and lithology) are used for producing flood susceptibility zonation (FSZ) and six parameters (total population, distance to hospital, land use/land cover, population density, road density, and distance to road) are utilized for producing flood vulnerability zonation. Multicollinearity analysis is applied to identify highly correlated independent variables. Sensitivity studies have been used to assess the effectiveness of the AHP model. The results indicate that the high and very high flood risk classes cover 21.40% and 8.26% of the area, respectively. In 14.07%, 27.01%, and 29.26% of the research area, respectively, flood risk zones classified as very low, low, and moderate are found. Finally, FSZ is validated using the receiver operating characteristics curve and area under curve (AUC) analysis. A higher AUC value (0.741) in the validation findings demonstrated the validity of this AHP approach. The results of this study will help planners, hydrologists, and managers of water resources manage areas that are susceptible to flooding and reduce potential harm.
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- 2024
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47. Enormous headward and gully erosion in a floodplain area reclaimed for open-cast lignite mining during the July 2021 flood in the Inde River valley (Western Germany)
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Johannes Keßels, Stefanie Wolf, Wolfgang Römer, Lukas Dörwald, Philipp Schulte, and Frank Lehmkuhl
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July flood 2021 ,Gully erosion ,Semi-circular headcuts ,Fluvial geomorphology ,Open-cast lignite mining ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background The July flood 2021 at the mountain front of the Eifel-Ardennes Mountains and their foreland resulted in the flooding of the lignite mining area of Inden in Germany. The mining activities resulted in large-scale anthropogenic changes to the relief and fluvial system, leading to a landscape that is no longer adjusted to the recent process-response system. This paper concentrates on the Inde River, where lignite mining led to the relocation of a 5-km-long river section. The flood event resulted in the temporary avulsion of the Inde River into the former channel and, ultimately, in the flooding of the open-cast lignite mine Inden. Results The flooding of the open-cast lignite mine Inden led to headwall erosion and enormous sediment mobilisation, mobilising more than half a million cubic metres of sediment within a few hours, forming a 700-m-long deeply incised channel cut. Thereby, the underlying bedrock, near-subsurface man-made structures, and former river channels influence the erosional processes to different degrees. Surface erosion is likely to be the decisive process, and subsurface erosion is likely to play a secondary role. In both cases, former channels and mill ditches were likely impacting the course of erosional processes. Conclusions During high flood events open-cast mining sites in floodplains are endangered by enormous erosion and sediment transport within a short period of time (several hours). Understanding such complex erosion and depositional processes in open-cast mining areas could provide a blueprint for geomorphological processes and hazards in these anthropogenically shaped fluvial landscapes. Further, information on historic impact in the area is crucial to estimate potential risks.
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- 2024
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48. The generalized STAR modelling with three-dimensional of spatial weight matrix in predicting the Indonesia peatland’s water level
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Utriweni Mukhaiyar, Adilan Widyawan Mahdiyasa, Tarasinta Prastoro, Udjianna Sekteria Pasaribu, Kurnia Novita Sari, Sapto Wahyu Indratno, Indratmo Soekarno, Devi Nandita Choesin, Isro Ismail, Dian Rosleine, and Danang Teguh Qoyyimi
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Peatland ,Prediction ,Water level ,GSTAR model ,3D-spatial weight matrix ,Ordinary kriging ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract The release rate of CO2 gas can be influenced by peatlands’ physical properties, such as water level and soil moisture, and rainfall. To anticipate the unstable condition which is when the peatland emit more carbon, we developed the Generalized Space Time Autoregressive (GSTAR) model in predicting these physical properties for the following weeks. As the innovation in modelling, the spatial weight matrix was based on three-dimensional coordinates with a modification on the height factor. The data we used are real-time data of water level on the peatlands in Pulang Pisau Regency, Central Kalimantan Province from 20 February 2021 to 18 March 2023. We then used Ordinary Kriging interpolation on the prediction results to create contour maps on different dates. There were empty data on several dates, especially from 24 March until 3 August 2022. To fill the empty data, we used linear interpolation and then we added white noise to the interpolation results. From the data, the water level has a downward trend pattern from around November to September and an upward trend pattern from October to November. Furthermore, we found that the best model for water level was GSTAR (2;0.1) with a modified matrix $$a=0.1$$ a = 0.1 and $$b=1.1$$ b = 1.1 . Based on the predicted water level, there is a risk of changes in the properties of the peatlands in several areas in Pulang Pisau Regency.
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- 2024
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49. Evaluating the cradle-to-gate environmental impact and cooling performance of advanced daytime radiative cooling materials to establish a comparative framework for a novel photonic meta-concrete
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N. Adams, L. Carlosena, and K. Allacker
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Environmental impact assessment ,Thin film deposition techniques ,Sputter deposition ,Radiative cooling materials assessment ,Heat transfer model ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background By the end of 2050, it is expected that 68% of the population will live in urban areas. A higher density of people living in cities generates an increased urban heat island. Radiative cooling (RC) materials are proposed as a key strategy to mitigate global warming and urban heating. The Horizon 2020 project MIRACLE aims at developing a new RC material based on conventional concrete. This paper presents a framework developed for comparing both the cradle-to-gate environmental impact and cooling potential of the newly developed photonic meta-concrete (or any other new RC material) with existing RC materials. The framework is applied to various RC materials using the generic Ecoinvent v3.6 database. The impact assessment method is in line with the Belgian life cycle assessment method for buildings and covers the 15 environmental impact categories of the EN15804:A2. The cooling performance is assessed by implementing the material spectral emissivity into a thermal model for Brussels and Madrid. Results The study shows that the sputtering process contributes over 75% to the cradle-to-gate environmental impact of several RC materials, while materials produced without this process, have significantly lower impacts. The assessment of the cooling potential showed that convection heat gains make it difficult to create an all-year round cooling material. The comparison with a conventional building material, a concrete roof tile, hence shows great potential for these RC materials as heating gains during summer are significantly reduced. Analysing cooling performance alongside environmental impact, the study identified two RC materials, i.e. D6 and D10, as the most preferred in both Brussels and Madrid, considering their lower environmental impact and superior performance. Conclusions The literature review revealed that a standardised way to assess and benchmark RC materials based on their cradle-to-gate environmental impact and cooling performance is lacking to date. This paper hence presents, for the first time, a method to compare RC materials considering these two characteristics. This method allows to identify the most competitive RC materials, which will serve in our study to benchmark the newly developed photonic meta-concrete.
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- 2024
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50. Acetamiprid elicits oxidative stress, pro-inflammatory response, and cellular proliferation in human bronchial epithelial cells in vitro and in silico: alleviative implications of the mixture of heat-killed Lactobacillus strains
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Samah S. Arafa, Heba A. Elnoury, Sahar Badr El-Din, Shimaa Abdel Sattar, Mohamed A. Sakr, Sahar K. Ghanem, Omnia S. Ahmed, Doaa M. Khalil, Mohamed A. Ghorab, Rasha A. Salama, and Afaf Abdelkader
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Acetamiprid ,BEAS-2B cells ,Inflammation ,Oxidative stress ,Cellular proliferation ,Molecular docking ,Environmental sciences ,GE1-350 ,Environmental law ,K3581-3598 - Abstract
Abstract Background Acetamiprid (ACE), a neonicotinoid insecticide, has been extensively used to control pests in agricultural and industrial environments. It has been reported that ACE is detrimental to the lungs. Nevertheless, the extent to which the activation of oxidative stress, inflammation, and cellular proliferation contributes to the pulmonary toxicity induced by ACE exposure remains insufficiently understood. This study explored the mechanism of toxicological consequences after ACE exposure in bronchial epithelial cells (BEAS-2B cells). The research also examined the potential ameliorative effects of the mixture of heat-killed Lactobacillus delbrueckii and Lactobacillus fermentum (HKL) on the toxicities of ACE. Results Following 14 days of exposure to ACE at 0.5 and 1 μM, oxidative stress was induced, as evidenced by the decreased levels of reduced glutathione, catalase, glutathione peroxidase, and superoxide dismutase, along with increased levels of malondialdehyde. Also, ACE exposure results in overexpression and raised protein levels of the IL-25, NF-κB1, NF-κB2, IL-33, TSLP, and NF-κB target genes, which induce inflammatory responses. In addition, ACE boosted Ki-67-positive BEAS-2B cells. The molecular docking of ACE with target genes and their proteins demonstrated a potent binding affinity, further supported by the presence of hydrophobic contacts, electrostatic interactions, and hydrogen bonds. The post-treatment of HKL following the ACE (1 μM) exhibited its antioxidant, anti-inflammatory, and antiproliferative activities in suppressing ACE-induced toxicity. Conclusions Our research revealed that ACE toxicity in BEAS-2B cells is caused by driving oxidative stress, pro-inflammatory response, and cellular proliferation. This study would give us a strategy to alleviate ACE-induced lung impairment by heat-killed probiotic supplements. As a result, dietary supplements that contain these microorganisms may potentially be beneficial in countries with high levels of pesticide contamination.
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- 2024
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