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This study investigates the influence of economic policy uncertainty on climate change in selected African countries within asymmetric settings. Although previous research has examined the impact of various economic factors on climate change, the asymmetric effects of economic policy uncertainty have not been thoroughly explored, particularly in African countries. We analyze annual data spanning from 1980 to 2017 by utilizing three models: Panel Pooled Mean Group-Autoregressive distributed lag model (ARDL-PMG), Panel Pooled Mean Group-non-linear autoregressive distributed lag model (NARDL-PMG), and Dumitrescu-Hurlin asymmetric causality tests. According to the results of ARDL-PMG estimation, economic policy uncertainty has a detrimental impact on climate change in the long run. However, the NARDL-PMG estimation suggests that a positive shock in economic policy uncertainty negatively affects long-term climate change mitigation. However, a negative shock has a beneficial effect on climate change in the long term. In African nations, positive and negative changes in economic policy uncertainty failed to generate any significant climate change effects in the short run. The results also reveal that both positive and negative shocks in economic policy may cause climate change in a one-way direction. Based on the findings of our study, we recommend that African policymakers implement programs aimed at reducing economic policy uncertainties to help mitigate the effects of climate change., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Anthropogenic climate change is expected to impact ecosystem structure, biodiversity and ecosystem services in Africa profoundly. We used the adaptive Dynamic Global Vegetation Model (aDGVM), which was originally developed and tested for Africa, to quantify sources of uncertainties in simulated African potential natural vegetation towards the end of the 21st century. We forced the aDGVM with regionally downscaled high-resolution climate scenarios based on an ensemble of six general circulation models (GCMs) under two representative concentration pathways (RCPs 4.5 and 8.5). Our study assessed the direct effects of climate change and elevated CO 2 on vegetation change and its plant-physiological drivers. Total increase in carbon in aboveground biomass in Africa until the end of the century was between 18% to 43% (RCP4.5) and 37% to 61% (RCP8.5) and was associated with woody encroachment into grasslands and increased woody cover in savannas. When direct effects of CO 2 on plants were omitted, woody encroachment was muted and carbon in aboveground vegetation changed between -8 to 11% (RCP 4.5) and -22 to -6% (RCP8.5). Simulated biome changes lacked consistent large-scale geographical patterns of change across scenarios. In Ethiopia and the Sahara/Sahel transition zone, the biome changes forecast by the aDGVM were consistent across GCMs and RCPs. Direct effects from elevated CO 2 were associated with substantial increases in water use efficiency, primarily driven by photosynthesis enhancement, which may relieve soil moisture limitations to plant productivity. At the ecosystem level, interactions between fire and woody plant demography further promoted woody encroachment. We conclude that substantial future biome changes due to climate and CO 2 changes are likely across Africa. Because of the large uncertainties in future projections, adaptation strategies must be highly flexible. Focused research on CO 2 effects, and improved model representations of these effects will be necessary to reduce these uncertainties., (© 2020 The Authors. Global Change Biology published by John Wiley & Sons Ltd.)

Africa's population is expected to triple by 2050, owing to rapid urbanisation and overall demographic trends. The combined pressures of urbanisation and climate change impact the ecosystem and the services it provides. As a result, additional dangers such as increased flooding, and environmental disruption have risen. Therefore, devising adaptive solutions to mitigate flood risk impacts while also building community resilience is needed. Evidence suggests that Nature‐based Solutions (NbS) can potentially alleviate floods and mitigate climate change impacts while also delivering other societal benefits. Despite rising NbS popularity following its recognition in the last decade, studies on its recognition in Africa remain limited. For this reason, this paper reviewed NbS studies conducted in East Africa (EA) to evaluate opportunities and barriers surrounding NbS adoption in EA. Academic literature published from January 2012 to May 2022 was reviewed using a comprehensive search of the SCOPUS database. Results show 14 papers have been published during the period, with the majority being post‐2020. In addition, the majority of the articles focused on cities and peri‐urban settlements, while public awareness, clear guidelines on performance monitoring, stakeholder inclusion, and diverse demonstration projects were highlighted as potential success factors for the adoption of NbS in EA. [ABSTRACT FROM AUTHOR]

Background: Climate change adversely affects Africa's agriculture which would worsen the widespread food insecurity and nutritional deficiencies. Vulnerable populations, especially female farmers, women, and children are disproportionately affected. Methods: The paper synthesizes available peer-reviewed and grey literature on the intersections of climate change, food insecurity, agriculture, gender disparities, health, child nutrition, and micronutrient deficiencies in Africa. It explores the economic ramifications of these factors, particularly their impact on public health and economic stability. The work aggregates insights into the current and future challenges of agricultural sustainability and the expected human capital development and economic costs of climate variations. Results: The prevalence of hunger and undernourishment in Africa is notably higher compared to other regions. Climate change directly threatens agriculture, with anticipated reductions in crop and livestock yields, compounded by the negative impact of greenhouse emissions on the nutritional quality of staple foods. Female farmers contribute notably to agriculture, but their labor share is less dominant than previously assumed. Exposure to high temperatures, especially for outdoor workers and pregnant women, presents significant health risks, further impacting agricultural and economic output. These interdependencies are presented in a framework along with suggested interventions that could be contextualized to address the climate drivers and interconnectivity across agriculture, health, and livelihoods. Conclusion: The interdependence between food, agriculture, health, nutrition, and human productivity, all of which are exacerbated by the impacts of climate change in Africa, form a complex challenge with profound health and economic implications. A multifaceted strategy is needed, encompassing climate-resilient farming practices, gender-sensitive interventions, health-focused measures like micronutrient supplementation, and comprehensive economic policies. [ABSTRACT FROM AUTHOR]

Since the first issue of the International Journal of Biometeorology in 1957, a total of 135 papers have reported on research in or of African countries. The majority of these have been on topics of animal biometeorology (36%), and the greatest proportion (24%) are situated in Nigeria. There has been a considerable increase in papers on African biometeorology since 2011, with those from this past decade accounting for 58% of all African papers in the journal. This occurs concurrent to an increase in the total number of papers published in the journal, driven by a move to the Editorial Manager system. While 66% of the papers on African biometeorology in the journal are authored by at least one person with an affiliation in the African continent, only 15 African countries are represented in the total authorship. As much of the African continent is projected to experience climatic changes exceeding the global mean, as much of the region is involved in animal and plant farming, and as seasonally-fluctuating and climatically affected diseases are common place, this low representation of work in Africa is surprising. This points to the need for greater awareness among African researchers of the discipline of biometeorology, greater involvement of African biometeorologists in International Society of Biometeorology and Commission meetings, and the inclusion of a greater number of African academics in the review process. This would be beneficial to the Society in increasing diversity and encouraging a more cosmopolitan engagement, and to the recognition of scientific development in African countries. [ABSTRACT FROM AUTHOR]

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African ecosystems are expected to be significantly affected by climate change, making it crucial to understand these changes for effective management. We provide a framework and application to assess ecoregional vulnerability to climate change, considering environmental exposure, sensitivity, and adaptive capacity. We assessed environmental exposure using projections for consecutive dry days, precipitation, and temperature changes. Sensitivity was determined based on forest fragmentation and grassland degradation. Adaptive capacity was represented by protected areas network and biodiversity intactness. These factors were combined to create overall vulnerability index and specific categories to guide management decisions. Under the SSP5 8.5 scenario, 16 % of ecoregions will be highly impacted by 2050, with vulnerable areas emerging in Montane forest-grassland and flooded savanna. Impacted ecoregions are disproportionately biodiverse. By intersecting the likely climate impacts and adaptive capacity, we highlight where conservation actions are needed to enhance the resilience of ecoregions to climate change., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier B.V. All rights reserved.)

After decades of academic and policy scepticism on the role of urbanisation in economic, social and cultural change, the issue is attracting renewed academic focus and political attention. Such interest was also evident during the 1990s, and in this paper the authors revisit the debate with specific attention to Sub-Saharan Africa. The paper discusses the continuing challenges on classifications, and suggests that small towns should be considered on the basis of their functions and in the context of rural-urban transformations. Turning to the current debates, it is highlighted how small town development has attracted renewed interest not only in development economics, but also research into the rush for land, mining, conflict and climate change. These trends are fleshed out in a focussed presentation of the six papers on small town development in Sub-Saharan Africa that make up this special issue of the European Journal of Development Research. Based on the arguments and findings of the papers, it is recommended that small towns are best seen as organic parts of the rural region where they are located, albeit not necessarily as 'outcomes' of rural economic development. Accordingly, the renewed interest in urbanisation, formalised in the New Urban Agenda and Sustainable Development Goal (SDG) 11, needs to address rural-urban synergies as integral to urbanisation dynamics. [ABSTRACT FROM AUTHOR]

This paper utilizes a climate justice perspective to examine municipal green bonds (MGBs), a green-labelled debt instrument issued by subnational governmental entities, such as municipalities or cities, that determines financial, social and environmental redistributions in the context of climate change. This analysis focuses on the origins and financial construction of MGBs as the "descendant" of US municipal bonds and provides data on their recent diffusion in Africa and Latin America. It then draws connections with the lessons learned from critical analyses of US municipal bonds. The case study section explores one wastewater MGB of San Francisco (California) and creates material and theoretical connections with MGBs issued to finance water infrastructure in Mexico City (Mexico) and Cape Town (South Africa). The article concludes that the analysis and implementation of municipal green bonds needs a climate justice approach in order to recognize and address the production and reproduction of climate injustices. [ABSTRACT FROM AUTHOR]

Nature – based solutions (NBS) are increasingly being positioned within global discourses concerning how urban sustainability challenges can be addressed. To better understand to what extent, how, by whom and with what potential implications NBS are promoted in urban Africa, this paper focuses on transnational actors and presents a dataset covering 40 NBS initiatives in 57 cities across 19 African countries. A framing analysis is undertaken to understand to what degree NBS are mobilised in accordance with global discourses. To that end, the paper builds on existing work by Tozer et al. (2022, "Transnational Governance and the Urban Politics of Nature-Based Solutions for Climate Change." Global Environmental Politics, 1–23) on globally circulating frames of urban nature. In further contributing to their framework, we delve into the underlying values or shades of green that are being signified through the frames by applying the IPBES Nature Futures Framework. Results indicate that urban nature comes to be seen as a solution within a climate resilience – integrated benefits nexus through which various types of transnational actors are bringing nature into the city. Two important findings can be highlighted: First, the deployed frames offer opportunities to address major African urban sustainability challenges, but initiatives may not yet be configured to adequately address their scope and magnitude. Second, the configurations of frames are predominantly informed by instrumental values that put "Nature for Society" perspectives in focus, missing opportunities for NBS to build on relational values, or "Nature as Culture" perspectives and for accommodating a plurality of worldviews on desirable futures for urban nature. [ABSTRACT FROM AUTHOR]

In a context marked by the intensification of climate change as well as an increase in the frequency and intensity of violent conflicts in Africa, this paper analyses the effects of vulnerability to climate change on conflict through the channel of migratory movements. Given the complex causal relationships between the variables, and to distinguish between their direct and indirect effects on conflicts, we employ structural equation modeling on a sample of 37 African countries observed between 1995 and 2017. The results show that vulnerability to climate change has both direct and indirect negative effects on internal conflict in Africa. An increase in vulnerability to climate change reduces the net stock of international migrants; while the net stock of migrants increases internal conflict. These effects are robust regardless of the components of the climate change vulnerability index considered and vary, however, according to the official language spoken and the level of development. In English-speaking and low-developing countries, the effects of climate change vulnerability on conflict remain negative, while in French- and Arabic-speaking as well as in more developed African countries, climate change vulnerability indirectly increases conflict through migration.In a given territory, the implementation of specific adaptation measures helps to reduce the level of vulnerability to climate change. Furthermore, the increase in conflicts caused by a reduction in vulnerability to climate change can be mitigated by a decrease in migratory movements through a better allocation of natural resources such as arable land and an increase in gross domestic product per capita. [ABSTRACT FROM AUTHOR]

Climate change has been unequivocally linked to human impact. Human actions have affected the environment and its inhabitants in a variety of ways around the globe and the response of various species can provide insight to what the future holds if we do not begin to mitigate the impacts of climate change. Monkeys are especially important as they function as ecosystem engineers, having a significant impact on plants and other animals in their habitats. Despite their importance, primates in South America and Africa remain understudied, yet are especially at risk as these regions have already undergone significant habitat loss. These regions are also Biodiversity Hotspots with the highest numbers of primate species on Earth. This systematic literature review assesses the current state of knowledge on how monkeys have changed their behavior in response to anthropogenic climate change. For this review, we scanned 3,461 titles, and 100 papers were read in full; seven of 100 papers provided relevant data. These studies primarily reported fertility changes and food substitutions when species were exposed to harsh conditions. The paucity of results from this review demonstrates that more research is needed on this topic. The effects of climate change on primates and their habitats must also be studied in conjunction with other anthropogenic stressors. As humans encroach on wildlife habitats, policies must be implemented to protect the habitats that are still viable. [ABSTRACT FROM AUTHOR]

Both the environment and the possibility of a better living are benefited by sustainable development. However, if it is used improperly, it may harm people, the environment, and sustainable development. This is seen in how the earth has degraded as a result of poor management. Due to soil erosion, deforestation, and climate change that are being caused in the name of sustainable development, the ecosystem is being drained. This outcome is linked to the explorers' self-centeredness, which was motivated by their interests and wealth. Many mining dumps that have not been sealed after being inspected for diamonds, gold, and other minerals and natural resources like rice, potatoes, corn, and so forth are examples of this, and they are used to overplough the land in the name of sustainability development and living the earth barren. The illegal miners who are aggravating environmental harm and accelerating earth deterioration for future generations are using the mining dumps further in the name of sustainable development by reducing poverty and unemployment in South Africa. The environment will deteriorate and become uninhabitable if this is not monitored. Using the search engines like Desktop, articles and proceedings, the paper will begin by highlighting sustainability development and its admirable goals of bringing about a better quality of life for the populace. However, this did not last for very long because diligent explorers invaded the planet, harming the ecosystem. The paper will then focus on the effects of environmental degradation after effects on sustainable development. The study will attempt to establish how an African environmental stewardship philosophy might help with the preservation of the ecosystem as it closes. [ABSTRACT FROM AUTHOR]

The paper reflects on the lessons from two case studies in order to discuss (1) how they address Ostrom's eight principles and (2) implications for social, economic and environmental challenges. The two case studies are of forest communities in Venda in South Africa and Ciptagelar, West Java, discussed in terms of their social, environmental and economic approaches. In both cases, the communities see themselves as related to nature; in the case of Venda, they express this as a totemic relationship and have been inspired to apply an ecological calendar that was taught to them during the time Mphatheleni Makaulule spent learning from Amazonian leaders. In the case of Ciptagelar, the nomadic way of life is based on a sense of being stewards who do not commodify rice, a sacred source of life, which is in turn dependent upon all the co‐existent creatures and ultimately the forest, which is their home. In both communities, the environment and people are priorities managed by observing the natural cycle. In both communities, an ecological calendar guides the planning and harvesting of crops. In Tshidzivhe Venda, a rigorous approach to crops, harvesting from the forest and re‐planting the forest, is observed, and the entire community act as caretakers and are required to ask permission before harvesting from the forest. In Ciptagelar, West Java, the chief reads the signs when it is time to move to another area and follows a careful approach to biodiversity ensuring that paddy is grown only for certain months so that other creatures can thrive in other months. The Balancing Individualism and Collectivism Special Integration Group has focused on learning by doing using an applied mixed methods approach. It is based on a community of practice spanning NGOs, community projects and university departments. It is supported by a small NRF fund, some funding from UNISA and in kind support from participants. We work together because of shared values and mutual respect. [ABSTRACT FROM AUTHOR]

Although climate change is among the main ecological crisis the world is grappling with today, relevant discourses on the subject often focus exclusively on the existential threats it presents ignoring other associated risks, including how it exacerbates modern slavery vulnerabilities. Despite already constituting a major human rights challenge, climate change promises to further exacerbate the modern slavery conundrum in Africa. Thus, in this paper, two interconnected questions are engaged with. Firstly, the climate crisis is interrogated vis-à-vis the way it induces modern slavery vulnerabilities in Africa and undermines human rights. The second aspect assesses the utility of the human rights framework in climate change action and its potential to protect modern slavery victims. While African countries are obligated to implement mitigation and adaptation strategies within their jurisdictions, to effectively address the modern slavery challenge, the paper suggests a stronger focus on global climate action via international cooperation and debt-for-nature swap. [ABSTRACT FROM AUTHOR]

This paper deals with the analysis of the temperatures in a group of 36 African countries. By looking at the maximum, minimum and the range (the difference between the maximum and the minimum) and using a long memory model based on fractional integration and cointegration, we first show that all series display a long memory pattern, with a significant positive time trend in 29 countries for the maximum temperatures and in 33 for the minimum ones. Looking at the range, the estimated value for the order of integration is smaller than the one based on maximum or minimum temperatures in 17 countries. Performing fractional cointegration tests between the maximum and minimum temperatures, our results indicate that the two series cointegrate in the classical sense (i.e., with a short memory equilibrium relationship) in a group of 11 countries, and there is another group of eight countries displaying cointegration in the fractional sense. The remaining 17 countries with no evidence of cointegration are therefore at a very high risk of climate change due to the absence of long-term co-movement in their maximum and minimum temperatures. Findings in this paper are of tremendous interpretations and relevance for the analysis and climate projections in Africa. [ABSTRACT FROM AUTHOR]

The paper is aimed at reviewing literature on the significance of soybeans production in the face of the changing climates in Africa. Using literature from the secondary sources, the paper reviewed how Africa can alleviate poverty by growing soybeans amongst the many legumes due to its multiplicity effect (including easily accessed market due to its high demand, enhancing soil fertility, easy to manage, high protein levels which rural people need most as it is cheaper compared to meat). Africa's majority population gets their livelihoods from agriculture and this in itself shows how important the sector is, yet the continent is faced with food insecurities, poor livelihoods, and high malnutrition levels in the midst of changing climate that is compounding their productivity levels. Achieving sustainable food security and livelihoods for millions of poor producers and consumers across Africa where people are living on $2 a day or less, remains a serious problem, exacerbated by the challenges of malnutrition, climate change, and poor technologies. Soybeans as a legume can play an important role in ensuring sustainable food security for both the current and future generations across the continent. Soybeans farming is important in Africa, where small‐scale agricultural systems dominate the food production landscape, as it is a source of inexpensive protein and nutrients to rural households as well as natural fertilization for the soil. Also, the symbiotic nitrogen fixation properties of legumes (soybeans) mean that they are suitable for cultivation on a wide variety of soils in changing climates. Despite this, small-scale farmers are still faced with the following factors; lack of credit funds, recycling of seeds as tested seeds are way too expensive, among which hinders their adoption levels of soybean production. [ABSTRACT FROM AUTHOR]

This paper examines the interacting effect of global shipping and trade on climate change in Africa using data on 31 countries for the period 2006–2016. We employ the system generalized method of moments estimation technique for our analysis. The results reveal that, in both the short run and long run, global shipping and trade contribute significantly to climate change in African countries. Furthermore, we document that the impact of shipping on climate change become larger through the aggregate trade channel. Based on these outcomes, policies designed to reduce emissions from global shipping are important in mitigating the menaces of climate change in Africa. [ABSTRACT FROM AUTHOR]

The article focuses on the challenges African cities face in terms of environmental health particularly in the face of climate change and rapid urbanization. Topics include urban citizens' understanding of climate change, in-situ upgrading and street naming, and the understanding of urban environmental health and the response required for sustainable and improved urban environments in Africa.

Renewable energy and institutions have emerged among other variables touted to address climate change problems. However, empirical results have been conflicting. With a relatively poorer state of institutional quality and a lower level of renewable energy development amidst rising carbon dioxide (CO 2 ) emissions in Africa, the study assesses: a) the direct effect of renewable energy and institutional quality on CO 2 emissions in Africa; and b) the moderation role of institutional quality on the effect of renewable energy on CO 2 emissions in Africa. The study relies on panel data covering 2002-2021 for 32 African countries. The Fully-Modified OLS regression method is employed to analyze the data based on the environmental Kuznets curve (EKC) hypothesis and Stochastic Impacts by Regression on Population, Affluence, & Technology (STIRPAT) model. The results show that urbanization and trade openness increase CO 2 emissions. Although income has a positive effect on carbon emissions, the square term has a negative confirming the EKC hypothesis. Renewable energy also reduces CO 2 emissions. Institutional quality variables of control of corruption, rule of law, regulatory quality, political stability and absence of violence, voice and accountability, government effectiveness and institutional index created from the above indicators reduce CO 2 emissions. In addition, except government effectiveness, the remaining indicators of institutional quality negatively moderate the effect of renewable energy on CO 2 emissions. The results among other things imply that intensifying the development and usage of renewable energy would help address the rising carbon dioxide emissions trend in Africa. Also, strengthening institutions promises to reduce CO 2 emissions., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Ltd. All rights reserved.)

The article presents a study on the climatic effects on monsoon intensification, ocean warming and steric sea level under the Representative Concentration Pathway 3 (RCP3) scenario which will peak global mean temperatures to about 1.5°C. The study employs the CLIMBER-3α model to examine the aspects of climate change under the RCP scenario. It reveals that the average monsoon rainfall in Asia and Africa increases with the land-ocean temperature differences.

Lung health in Africa is of great public health concern. To exchange knowledge, communicate the latest scientific advances in lung health, build the capacity of young researchers, and provide a platform for networking of lung health stakeholders in Africa, the Pan African Thoracic Society (PATS), in partnership with the Respiratory Society of Kenya organized and held the 3rd Biennial PATS congress, from June 7–10, 2023 in Mombasa, Kenya. There were a total of 30 conference sessions, which included six skills building workshops, two research dissemination workshops, six plenary sessions, and five each of pediatric, adult, and thoracic surgery symposia. A total of 60 abstracts were presented, including 27 oral abstracts and 33 posters. A wide range of issues for lung health in Africa emerged. These include the emerging role of the environment, especially climate change and global warming, on lung health, the threat posed by the use of tobacco and other nicotine products in Africa, the high burden of lung infections, insecurity of medical oxygen supply systems, and high burden of chronic respiratory disease. In this paper, we summarize the proceedings of this conference and draw lessons that can be used to advance lung health in the African continent. [ABSTRACT FROM AUTHOR]

Climate change is a global threat that is better understood through global research spanning many regions, countries, and life-supporting ecosystems. This review focused on the bibliometric analysis of the distribution of a global research compendium on phytoplankton, an aquatic community that accounts for half of the carbon fixation in the global carbon cycle. A total of 716 primary research papers published in the immediate past decade (2012–2022) were reviewed. The articles were sampled from Web of Science and described field and laboratory experiments quantifying the impact of global climate change on phytoplankton from different climate zones (tropical, subtropical, temperate, subpolar, and polar) and ecosystems (freshwater, brackish, and marine). Analyses of these studies suggest that the bulk of the global research effort (80%) focused on high-latitude areas, and only a few (17%) were carried out in the tropics, largely led by four countries (Australia, Brazil, India, and Saudi Arabia), while Africa's contribution was minuscule (<1%). In terms of ecosystems, the majority (76%) of the research was in marine waters, irrespective of the climate zone. Analyses of these studies also highlighted widespread disparities in phytoplankton research in tropical aquatic ecosystems, particularly in Africa. Strategic investment in terms of targeted funding, institutional networks, and partnerships between the global north and global south are necessary to increase phytoplankton research across different ecosystems in the tropics. [ABSTRACT FROM AUTHOR]

Climate change significantly impacts global agricultural productivity. Therefore, a more dynamic farming system is needed to enable farmers to better adapt to climate change while contributing to efforts to produce enough food to feed the growing world population. In the context of climate change, this study analyzed the empirical scientific literature on the link between climate-smart agriculture and farm productivity. To evaluate the relevant articles, the authors used the search term "climate-smart agriculture amidst climate change to enhance agricultural production (CSA-CCAP)" to find studies published between 2009 and March 2022 using innovative bibliometric techniques. One hundred and sixteen published papers in BibTeX format were downloaded for further analysis. The most successful selected CSA approaches in Africa, such as in the Congo Basin forest, including sustainable land management practices, water-efficient maize hybrids, and others, aim to counteract climate change with signs of 200 percent output gains. The findings showed an annual growth rate of about 19%, demonstrating that research on CSA-CCAP expanded over time during the study period. Nonetheless, the research output on CSA-CCAP varied, with 2021 accounting for 30%, followed by 2020 with 16% as of March 2022. The study concluded that boosting agricultural productivity in the face of climate change may be accomplished through CSA to end hunger, eradicate poverty, and improve people's well-being. [ABSTRACT FROM AUTHOR]

Empirical evidence continues to show that climate change remains a threat to the stability of the hydrologic system. As the climate system interacts with the hydrologic cycle, one significant repercussion of global warming includes changes in water availability at both regional and local scales. Climate change adaptation is intrinsically difficult to attain due to the dynamic earth system and lack of a comprehensive understanding of future climate and its associated uncertainties. Mostly in developing countries, climate adaptation is hampered by scarcity of good quality and adequate hydro-meteorological data. This article provides a synopsis of the modelling chain applied to investigate the response of the hydrologic system under changing climate, which includes choosing the appropriate global climate models, downscaling techniques, emission scenarios, and the approach to be used in hydrologic modelling. The conventional criteria for choosing a suitable hydrological model are discussed. The advancement of emission scenarios including the latest Shared Socioeconomic Pathways and their role in climate modelling, impact assessment, and adaptation, are also highlighted. This paper also discusses the uncertainties associated with modelling the hydrological impacts of climate change and the plausible approaches for reducing such uncertainties. Among the outcomes of this review include highlights of studies on the commonly used hydrological models for assessing the impact of climate change particularly in the sub-Saharan Africa region and some specific reviews in southern Africa. Further, the reviews show that as human systems keep on dominating within the earth system in several ways, effective modelling should involve coupling earth and human systems models as these may truly represent the bidirectional feedback experienced in the modern world. The paper concludes that adequate hydro-meteorological data is key to having a robust model and effective climate adaptation measures, hence in poorly gauged basins use of artificial neural networks and satellite datasets have shown to be successful tools, including for model calibration and validation. [ABSTRACT FROM AUTHOR]

For fast-tracking climate change response, green hydrogen is key for achieving greenhouse gas neutral energy systems. Especially Sub-Saharan Africa can benefit from it enabling an increased access to clean energy through utilizing its beneficial conditions for renewable energies. However, developing green hydrogen strategies for Sub-Saharan Africa requires highly detailed and consistent information ranging from technical, environmental, economic, and social dimensions, which is currently lacking in literature. Therefore, this paper provides a comprehensive novel approach embedding the required range of disciplines to analyze green hydrogen cost-potentials in Sub-Saharan Africa. This approach stretches from a dedicated land eligibility based on local preferences, a location specific renewable energy simulation, locally derived sustainable groundwater limitations under climate change, an optimization of local hydrogen energy systems, and a socio-economic indicator-based impact analysis. The capability of the approach is shown for case study regions in Sub-Saharan Africa highlighting the need for a unified, interdisciplinary approach. • Unique multidisciplinary approach for green hydrogen cost-potentials. • Local perspective on land and hydrogen use of Sub-Saharan Africa embedded. • Spatially and temporally highly detailed green hydrogen cost-potentials. • Sustainable water supply under climate change endogenously secured. • Indicator-based impact analysis shed light on socio-economic conditions. [ABSTRACT FROM AUTHOR]

This paper provides an overview of the HEAT (Healthy Environments for AthleTes) project, which aims to understand the impact of environmental conditions on athlete health and performance during major sporting events such as long-distance running, cycling, and triathlons. In collaboration with the SAFER (Strategies to reduce Adverse medical events For the ExerciseR) initiative, the HEAT project carried out a field campaign at the 2022 Comrades Marathon in the KwaZulu-Natal province of South Africa. The measurement campaign deployed seven weather stations, seven PM2.5 monitors and one spore trap along the 90 km route to capture spatially representative measurements of complex micro-climates, allergenic aerospora, and particulate matter exposure. The results indicate that runners were exposed to moderate risk heat stress conditions. Novel findings from this initial campaign shows elevated and potentially harmful PM2.5 levels at spectator areas, possibly coinciding with small fire events around the race day festivities. Our findings show values PM2.5 levels over the WHO 24-h guidelines at all stations, while 2000 µg/m3 at two stations. However, the lack of an acute exposure standard means direct health impacts cannot be quantified in the context of a sport event. The HEAT project highlights important aspects of race day monitoring; regional scale climatology has an impact on the race day conditions, the microclimatic conditions (pollution and meteorology) are not necessarily captured by proximity instruments and direct environmental measurements are required to accurately capture conditions along the route. [ABSTRACT FROM AUTHOR]

Africa is a particularly vulnerable continent to the effects of climate and environmental changes. Several tree planting projects were launched as one of the plausible solutions to climate action. This paper reviews the recent tree planting projects in African cities, initiated between 2009 to 2021, focusing on analyzing the expected benefits to the populations. Indeed, these projects have become a widespread instrument to promise planning solutions for many African countries given the expected improvements to mitigate air pollution, carbon sequestration, and the conditions of cities for the health and wellbeing of their citizens. The consequences of uncontrolled urbanization in Africa also stress the importance of better planning of green spaces. African cities should reconsider urban planning with a clear focus on the role of green infrastructures because of their extensive social benefits and supportive capacity for any significant sustainable development. While these projects seem to be a promising initiative and are expected to deliver beneficial ecosystem services to citizens, there are still some loopholes that this paper highlights. [ABSTRACT FROM AUTHOR]

The history of past civilisations in southern Africa from AD 700 to AD 1450 has engendered unresolved debates on the social complexities and ultimate decline of these powerful states. The purpose of this paper is to examine the history of the Mapungubwe and Great Zimbabwe state systems in southern Africa through an environmental perspective by taking into consideration human responses to persistent droughts and dry spells. The theories underpinning this study are derived from contemporary societal responses to similar environmental hardships in the Bikita and Chivi districts of southern Zimbabwe. Using rainfall data, and interviews with chiefs, villagers, farmers and experts, this study notes that the occurrence of droughts and dry-spell experiences interfere with sociopolitical organisation. The concepts of sustainability, resilience and transformation are used to explain what could have transpired in societies in southern Africa in the second millennium AD in the face of persistent droughts and dry spells. [ABSTRACT FROM AUTHOR]

Floriculture is a growing sector and represents an asset to the economy of most developing countries in Africa. This paper aims to access the existing knowledge gaps and how such gaps might be filled to develop the floriculture industry sustainably in Africa. Scientific information on the floriculture industry was searched on three online databases (ScienceDirect, Google Scholar African Journals Online and PubMed) to gather much reliable data on the last 30 years in Africa. Thus, 23 scientific publications distributed in eight African countries were considered and examined. East African countries are the most interested in the floriculture industry, with Kenya and Ethiopia as the leaders. There are about a hundred ornamental plant in Africa and they are dominated by exotic species that sold (50%) in northern countries. The cut flowers and foliage are mainly used to brighten up party days, insightful human well-being and the perfumery industry, as well as landscape plants, for hedging, game cover, slope stabilization, food, and aromatherapy. The most important challenges to tackle in floricultural production are related to climate change, pests, and pathogens attacks. Irrigated floricultural production, development and culture of resistant and adaptative varieties, and creation of home markets are recommended to ensure sustainable improvement of environmental quality, food security, and socio-economic aggregate for communities. [ABSTRACT FROM AUTHOR]

Water will be a major limitation to food production in the 21st century, and drought issues already prevail in many parts of the world. Finding solutions to ensure that farmers harvest profitable crops, and secure food supplies for families and feed for animals that will provide for them through to the next season are urgent necessities. The Interdrought community has been addressing this issue for almost 30 years in a series of international conferences, characterized by a multi-disciplinary approach across the domains of molecular biology, physiology, genetics, agronomy, breeding, environmental and social sciences, policy, and systems modeling. This special issue presents papers from the 7th edition of the conference, the first to be held in Africa, that paid special attention to drought in a smallholder context, adding a 'system' dimension to the crop focus from the previous Interdrought events (Varshney et al. , 2018 ; Hammer et al. , 2021). [ABSTRACT FROM AUTHOR]

Over the past couple of decades, the world has witnessed a rise in greenhouse gas (GHG) emissions and rising income inequality that threatens human well-being. Addressing these challenges and ensuring sustainable development become a pressing issue for policymakers. This paper investigates the impact of GHG emissions on income inequality in Africa. The study uses a panel data set from 49 countries from 1981 to 2015 and shows that GHG emission widens income inequality. The result is robust for alternative emission indicators. A direct implication is that climate change policy should be designed to narrow income inequality. It is emphasized that mitigation actions should focus on the agriculture sector. Hence, intervention towards energy-smart agriculture, land conservation practices, exploiting the job creation potential, and strengthening value addition in the agricultural sector is decisive. Reforming agriculture reduces emission, narrows income inequality, and realizes sustainable development on the continent. [ABSTRACT FROM AUTHOR]

Simple Summary: Spring in Europe has been trending earlier for almost half a century. Long-distance migrant birds, such as the Willow Warbler and Pied Flycatcher, which breed in Europe, have arrived earlier too. It is broadly accepted that warming springs in temperate regions explain the earlier arrival of migrants. However, migration started weeks earlier and thousands of kilometres away. There must be additional cues elsewhere triggering migration. Meteorologists have developed measures of atmospheric circulation which are related to climate variability in wide regions. One of them is the Southern Oscillation Index, which reflects El Niño/La Niña that cause droughts and floods in the southern hemisphere. Other atmospheric circulation patterns, measured by the North Atlantic Oscillation Index and Indian Ocean Dipole, help predict total rainfall for a whole season in various parts of Africa and Europe. Good rains are associated with plant growth and with insect abundance. Insects provide food for most of these migrants. Therefore, this paper asks the question: "Is the timing of arrival of long-distance migrants in spring related to the climates they experience in the places where they are over the year prior to arrival in Europe?" This paper says the answer is "Yes". Earlier springs in temperate regions since the 1980s, attributed to climate change, are thought to influence the earlier arrival of long-distance migrant passerines. However, this migration was initiated weeks earlier in Africa, where the Southern Oscillation, Indian Ocean Dipole, North Atlantic Oscillation drive climatic variability, and may additionally influence the migrants. Multiple regressions investigated whether 15 indices of climate in Africa and Europe explained the variability in timing of arrival for seven trans-Saharan migrants. Our response variable was Annual Anomaly (AA), derived from standardized mistnetting from 1982–2021 at Bukowo, Polish Baltic Sea. For each species, the best models explained a considerable part of the annual variation in the timing of spring's arrival by two to seven climate variables. For five species, the models included variables related to temperature or precipitation in the Sahel. Similarly, the models included variables related to the North Atlantic Oscillation (for four species), Indian Ocean Dipole (three), and Southern Oscillation (three). All included the Scandinavian Pattern in the previous summer. Our conclusion is that climate variables operating on long-distance migrants in the areas where they are present in the preceding year drive the phenological variation of spring migration. These results have implications for our understanding of carry-over effects. [ABSTRACT FROM AUTHOR]

In this paper, a systematic literature review was conducted to synthesize understanding on farmers' perception on climate change. Farmers' perception of climate change is conceptualized as comprising of three dimensions—first, as farmers' "awareness"; second, "conceptual understanding"; and third, the "experience" of climate change. The review included 162 papers published during the period January 2000 to July 2019. The highest number of studies was conducted in Africa, followed by Asia. A large majority of farmers report being aware of climate change. However, only a few studies elicit the difference between climate variability and climate change from farmers. A negligible number of studies attempt to identify the role of agricultural activities in greenhouse gas emissions and climate change. Furthermore, authors compare farmers' perception with meteorological evidence, which is more aligned in terms of change in "temperature" rather than "precipitation." The insights from the review provide guidance on conceptualization and operationalization of the variable "farmers' perception of climate change" for future studies. [ABSTRACT FROM AUTHOR]

Africa, the cradle of human evolution, has one of the largest and most diverse rainforests in the world. The African rainforests contain evidence of human occupation as well as fluctuating climate during the Pleistocene; such evidence offers archaeologists and palaeoecologists the opportunity to understand how climatic fluctuations have influenced human behaviour. However, compared to the rainforests environments in Asia and South America, the human ecological history of those in West-Central Africa is poorly understood. This is because of comparatively fewer scientific programmes which synergize palaeoecological and archaeological data and thus could enhance the knowledge and allow for an evaluation of the impact of climatic fluctuations on human behaviour in the rainforests of West-Central Africa during the Pleistocene and Holocene periods. The goals of this paper are twofold, namely: (i) to provide a synthesis of the past climatic variability in the rainforests of West-Central Africa, and (ii) to demonstrate the influence of such variability on human behaviour during the Pleistocene to Holocene periods. It is hoped that this paper will stimulate Africanists to adopt an inclusive scientific anthropological and palaeoecological approach in understanding human–climate interactions in the West-Central African rainforests. This article is part of the theme issue 'Tropical forests in the deep human past'. [ABSTRACT FROM AUTHOR]

The ability to predict heavy rain and floods in Africa is urgently needed to reduce the socioeconomic costs of these events and increase resilience as climate changes. Numerical weather prediction in this region is challenging, and attention is being drawn to observationally based methods of providing short-term nowcasts (up to ∼6-h lead time). In this paper a freely available nowcasting package, pySTEPS, is used to assess the potential to provide nowcasts of satellite-derived convective rain rate for West Africa. By analyzing a large number of nowcasts, we demonstrate that a simple approach of "optical flow" can have useful skill at 2-h lead time on a 10-km scale and 4-h lead time at larger scales (200 km). A diurnal variation in nowcast skill is observed, with the worst-performing nowcasts being those that are initialized at 1500 UTC. Comparison with existing nowcasts is presented. Such nowcasts, if implemented operationally, would be expected to have significant benefits. Significance Statement: A freely available, easy-to-use nowcasting package has been applied to satellite-retrieved rainfall rates for West Africa, and extrapolations have useful skill at up to 4 h of lead time. [ABSTRACT FROM AUTHOR]

Climate change, environmental degradation, and descent-based slavery are prevailing issues in Mauritania. The relationship between the three phenomena has rarely elicited investigation, in part due to the perception that chattel slavery is an institution of the past. Despite being the last country in the world to decree its abolition in 1981, Mauritania is alleged to have one of the highest incidences of slavery in the world today. This study explores the nexus between climate change and slavery in Mauritania. The paper seeks to elucidate how the environmental interactions of the Sahel have transformed slavery's manifestation in this multiethnic northwest African republic for more than a millennium. The author contributes to the rich literature on slavery in Mauritania by arguing that in the twenty-first century, the nexus converges on the issue of development, and that the prevalence of slavery degrades the country's precarious environment and contributes to its underdevelopment. [ABSTRACT FROM AUTHOR]

Regional climate change is affected by global warming, large-scale inter-regional circulation, and land use/cover. As a result of different ecological, economic, and social conditions, climate adaptation actions vary from region to region, including community-based adaptation in small island developing states, enhancing flood resilience in Europe, weather index insurance promotion in Africa, climate change adaptation based on traditional knowledge in the Polar Regions, and global joint decision-making in terms of regional issues of the Ocean. This paper takes the above five typical cases as the research objects, and the multi-case comparative research method is adopted to discuss regional climate change adaptation based on the pressure–state–response framework. It found that: (1) regional climate change adaptation faces significant pressure from cross-regional flows of finance, population, and species under climate change; (2) climate change hotspot maps based on climate change projections show regional climate vulnerability; (3) responses for regional climate change adaptation require active promotion of multi-level governance with horizontal and vertical cooperation. In the future, regional climate change adaptation should focus on inter-regional climate justice and equality, regional climate change adaptation pathways optimization, and how to effectively learn from typical regional climate adaptation cases. [ABSTRACT FROM AUTHOR]

This paper explores the macro-financial externalities of environmental degradation in Africa. Specifically, we examine whether and how changes in non-renewable and renewable energy consumption affect financial instability in 35 sub-Saharan African (SSA) countries. We use an original econometric approach based on panel logit-probit models, as well as the bootstrap inference method for quantile regressions to explore the occurrence of systemic banking crises, as an indicator of extreme financial instability (from 1990 to 2018), and the quantile function of the banking sector stability index (Z-score), as a measure of different levels of banking instability (from 1990 to 2021). Empirical results support the climate fragility hypothesis by indicating that an increase in non-renewable and renewable energy consumption leads to a higher probability of systemic banking crises and a decrease in banking stability, especially in the lower quantiles (extreme instability). These results are mainly explained by the transition and physical risks in SSA related to climate change. [ABSTRACT FROM AUTHOR]

This paper examined the challenges of climate change and prospects of harnessing opportunities from the challenges to advance the socioeconomic development and sustainability of Sub-Saharan African countries. The methodology of the study is exploratory, involving a comprehensive survey and review of conceptual and empirical literature on the nature and manifestations of climate, environment and social changes and the dynamic relationships between climate change, the environment and social change. From the information gathered on how climate change impacts on the environment and how environmental changes impact on the climate and how both changes collectively impact on social change and the economy, the authors identified potential opportunities that can be harnessed to advance the economy of Sub Sahara Africa. The exploratory literature review revealed that though the interdependent cause and effects of the complex interwoven relationships between man, climate and environment have negative effects on the socio economy, scientists, sociologists, economists, state and non-state actors and their institutions should not remain passive and should not only try to counter or mitigate the negative effects but should as well explore and harness potential opportunities such as investment on cost effective renewable energy projects, development of carbon finance markets for sale of carbon credits through massive agricultural plantations, clusters of energy efficient industrial SMEs, developing technology capable of reducing pollution and converting waste to wealth projects. [ABSTRACT FROM AUTHOR]

Southern Africa harbors exceptional biodiversity that is increasingly threatened by climate change, land use, and other pressures. However, risks to the regional ecosystems and quality and consistency of adaptation strategies remain understudied, making conservation and restoration efforts challenging. Here, we reviewed scientific articles published during the period 2000–2020, which (1) addressed observed and projected impacts of climate change on different species, populations, and ecosystems in nine southern African countries, and (2) formulated management and policy responses aiming to mitigate these impacts. We identified and evaluated 28 papers meeting these search criteria. We found that the three components of our investigation, that is, ecosystem type, type of impact, and management and policy responses, were covered by research rather fragmentarily. However, the reviewed publications addressed a large variety of species and ecosystems and a variety of processes, from local extinction, range contraction, and increased mortality to modified inter‐specific interactions. The identified human responses included active vegetation and animal management, improved conservation policies, and monitoring. Most of the publications highlighted severe data limitations, lacking coordination of conservation policies, and insufficient consideration of transient environmental conditions in management and policy planning. We conclude that the current level of understanding of climatic threats to species and ecosystems is limited in southern Africa, and new coordinated research and monitoring actions are needed. This review characterized the high diversity of climate change risks to ecosystems and related social responses, potentially helping to attract further research attention and inform regional adaptation strategies. [ABSTRACT FROM AUTHOR]

BACKGROUND: The southern armyworm (SAW) Spodoptera eridania (Stoll) (Lepidoptera: Noctuidae) is native to the tropical Americas where the pest can feed on more than 100 plant species. SAW was recently detected in West and Central Africa, feeding on various crops including cassava, cotton, amaranth and tomato. The current work was carried out to predict the potential spatial distribution of SAW and four of its co‐evolved parasitoids at a global scale using the maximum entropy (Maxent) algorithm. RESULTS: SAW may not be a huge problem outside its native range (the Americas) for the time being, but may compromise crop yields in specific hotspots in coming years. The analysis of its potential distribution anticipates that the pest might easily migrate east and south from Cameroon and Gabon. CONCLUSION: The models used generally demonstrate that all the parasitoids considered are good candidates for the biological control of SAW globally, except they will not be able to establish in specific climates. The current paper discusses the potential role of biological control using parasitoids as a crucial component of a durable climate‐smart integrated management of SAW to support decision making in Africa and in other regions of bioclimatic suitability. © 2021 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. [ABSTRACT FROM AUTHOR]

In the context of global climate change, much hope is placed in technological progress's ability to address environmental problems. However, the persistence of technology inequality across countries undermines environmental technology innovation's contribution to environmental issues. In such a context, this paper introduces a new approach that combines Data Envelopment Analysis (DEA) with the Gini coefficient to gauge technology inequality. Additionally, decomposition analysis is adopted to identify the driving factors affecting technology diffusion. Empirically, the proposed approach is applied to 49 African countries from 2000 to 2017. The results of our study show that, although the unified efficiency of African countries improved slightly during the study period, there is still much room for improvement in terms of economic prosperity and environmental performance. Secondly, there is group heterogeneity between two groups of African countries (low-efficiency group and high-efficiency group) under both managerial and natural disposability. Thirdly, the inequality decomposition revealed that cross-group inequality is the source of group heterogeneity and the main barrier to technology diffusion, followed by within-group inequality. Finally, environmental technology progress exhibits a low contribution to enhancing sustainability in Africa due to technological inequality persistence. In future, it would be quite meaningful to perform sector-level analysis, which could provide more detailed information on sustainability. [ABSTRACT FROM AUTHOR]

Clean cooking fuels and technologies remain essential in addressing the climate crises, environmental degradation, deforestation, air pollution, health complications, and poverty. Nevertheless, many countries in Africa lack access to clean fuels and technologies for cooking. The extant literature remains scarce on the determinants of clean cooking fuels and technologies using macroeconomic indicators covering many African countries in a single study. This article addresses this gap using panel data from 38 African countries. The paper shows that rural population, particulate matter emission, and natural resources depletion significantly decreased access to clean cooking fuels and technologies in the long run while the gross domestic product (GDP) per capita significantly increased access to clean cooking fuels and technologies in the long run in Africa. The results show a bi‐causal relationship between clean cooking fuels and technologies and rural population, GDP per capita, natural resource depletion, and particulate emissions damage. Understanding the determinants of clean cooking fuels and technologies will expand insights into addressing challenges associated with particulate emission damages. Governments in Africa should target improvements in GDP per capita, promote advocacies, and advocate for investments to address the limited access to clean cooking fuels and technologies, particularly for the rural poor. [ABSTRACT FROM AUTHOR]

Most national and international discussions have not seriously recognized the role religio-cultural practices of indigenous Africans can play in mitigating the effects of climate change. This paper, examines the contribution the indigenous people can make towards the mitigation of the effects of climate change, using the Akan of Ghana as a case study. Mostly, indigenous people who are the major stakeholders in land use in Ghana are marginalized when policies aimed at reducing environmental degradation are made. This has resulted in low gains in the fight against environmental degradation despite several interventions in Ghana. A recent report puts Ghana into a net-emitter of GHG bracket. This means the country has to embark on a Low Carbon Development Strategy to address the situation. This paper, therefore argues that unless indigenous people—major stakeholders of land use—are duly involved; it will be difficult to address the effects of climate change in Ghana. [ABSTRACT FROM AUTHOR]

This paper analyzes the effects of climate change on African agricultural total factor productivity (TFP) growth and test whether agricultural TFP levels are converging in the region. The study uses cross-country balanced panel data covering 35 countries from 1981 to 2010 and a technological catching-up model based on the Ricardian analysis estimated by Feasible Generalized Least Square (FGLS) regression. Historical country-wide rainfall and temperature are climate factors included in the model. Education, capital intensity, and arable land equipped with irrigation are other potential confounding variables in the regression. The empirical results show that levels of African agricultural TFP are converging over time, though the rate of convergence appears relatively slow in the region. We also find that rain significantly increases agricultural TFP growth, but temperature does not affect the study's African agricultural TFP growth. Other results show that education, capital intensity, and arable land equipped with irrigation significantly increased agricultural TFP growth. [ABSTRACT FROM AUTHOR]

Calls for humanity to act on environmental changes are becoming increasingly critical. The growing polycrisis including the impact of ongoing conflicts in contested geopolitical spaces and the struggles for ways to sustain a livelihood in areas of precarity and poverty, are just some of the intersecting challenges which have given rise to a Code Red alarm by the United Nations surrounding issues related to climate change. Rich narratives and stories of climate actions from Africa offer examples of potential paths. This paper explores how such narratives inform local development and climate action. A key message is that stories and narratives, created by various peoples, disciplines, and systems of knowledge, can all be powerful genres and sources for agentic change that can inspire and embolden development practice and action. [ABSTRACT FROM AUTHOR]

Human responses to climate change have long been at the heart of discussions of past economic, social, and political change in the Nile Valley of northeastern Africa. Following the arrival of Neolithic groups in the 6th millennium BCE, the Northern Dongola Reach of Upper Nubia witnessed a cultural florescence manifested through elaborate funerary traditions. However, despite the wealth of archaeological data available from funerary contexts, including evidence for domesticated animals and plants as grave goods, the paucity of stratified habitation contexts hinders interpretation of local subsistence trajectories. While it is recognised archaeologically that, against the backdrop of increasing environmental deterioration, the importance of agriculture based on Southwest Asian winter cereals increased throughout the Kerma period (2500–1450 BCE), the contribution of domesticated cereals to earlier Neolithic herding economies remains unclear. This paper presents direct dietary data from a total of 55 Middle Neolithic and Kerma period individuals from Kadruka 21 and Kadruka 1. Microbotanical data obtained from human dental calculus and grave sediments are integrated with human and faunal stable isotopes to explore changes in dietary breadth over time. The combined results demonstrate the consumption of wild plant species, including C4 wetland adapted grasses, by Middle Neolithic individuals at Kadruka 1. Despite existing evidence for domesticated barley in associated graves, the results obtained in this study provide no clear evidence for the routine consumption of domesticated cereals by Middle Neolithic individuals. Rather, direct microparticle evidence for the consumption of Triticeae cereals is only associated with a single Kerma period individual and corresponds with an isotopic shift indicating a greater contribution of C3-derived resources to diet. These results provide evidence for Neolithic dietary flexibility in Upper Nubia through the persistence of foraging activities and support existing evidence linking increased agricultural reliance to the development of the Kerma culture. [ABSTRACT FROM AUTHOR]