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The port governance literature has charted the trend towards devolution of port services to the private sector, also showing how the increasing influence of external private actors such as shipping lines and global terminal operators affects decisions on expansion and service provision, producing a more multifaceted and polycentric kind of port governance. In this paper we extend these notions to cover both mitigation of and adaptation to climate change. A growing body of literature on green ports discusses the various actions that can be taken to limit emissions in the port area, while another body of literature is growing on climate change adaptation measures, including the uncertain risks and rewards. Both mitigation and adaptation actions are partly linked to the commercial decisions of port actors but also partly driven by external actors (e.g. society, government, regulators). The analysis produces an updated conceptualisation of port governance under climate change, based on four stakeholder groups (public policy, commercial actors, indirect actors and international shipping governance) and produces three key conclusions. First, concession contracts and commercial relationships will need to change, with a more integrated vision and approach to sharing future (sometimes undefined or uncosted) costs and benefits between the port authority and commercial partners. Second, diversification of the port business model will see a larger focus on energy production and provision, requiring the more explicit inclusion of external stakeholders, particularly energy companies, in port governance. Third, port governance will see a return to prominence of the public dimension, both in terms of national decarbonisation plans and particularly regarding adaptation to an uncertain and turbulent future. As ports are both commercial activities and national infrastructure, these different identities will need to be united in a joint vision. [ABSTRACT FROM AUTHOR]

Globally, transportation and manufacturing emit large amount of greenhouse gases that needs to be lowered for reaching agreed upon clim ate goals. In this context evidence of mitigation activities among eighty-five companies and their forty-five parent companies in these two polluting sectors were traced focusing on a country that has committed itself to leading the implementation of ambitious climate-mitigation goals worldwide. Documentation from the companies in the transportation and manufacturing sectors was scrutinized (yearly reports, homepages and sustainability reports, if available) for evidence of any mitigation efforts, including emissions reporting and reduction goals. The study’s results found that two thirds of the companies seemed to have done nothing to mitigate climate change, while efforts in the remaining companies were modest at best; mitigation activities among the forty-five parent companies were only slightly more ambitious. The implications of these depressing findings are discussed in the light of possible caveats and the possibilities of new policy measures such as gender quotas in company boards. The conclusion is that the study’s results most likely reflect reality in the studied sectors and that novel approaches and more sector oriented research is needed in the quest for a carbon-neutral society. [ABSTRACT FROM AUTHOR]

Abstract: The National 12th Five-Year-Plan for Social and Economic Development (2011–2015) (national development policy) in China requires knowledge of ecological complexity to better guide policy development for adaptation strategies and mitigation to complex climate change. The thinking of human–environment interactions supplements climate change related policies in supporting sustainability through adaptation and mitigation. Based on a review of the climate change contents of the National 10th and 11th Five-Year-Plan in China, the paper illustrates the complexity of climate changes that have affected China''s environmental sustainability now and offers policy viewpoints for the in-preparing 12th Five-Year Plan, with five core areas for the implementation of climate change policy: (A) development of the transition to a low carbon economy, (B) prevention and treatment of urban environmental negative effects caused by climate change, (C) adaptation to sea level rises in coastal zones, (D) maintaining the resilience of natural ecosystems affected by climate change, and (E) prevention and control of climate disaster and environmental risk. [Copyright &y& Elsevier]

How to ensure success for climate change mitigation policies? For the past decades, local climate action has been amongst the main global priorities. The Covenant of Mayors initiative is a major example of bottom-up climate initiative gathering municipalities of all sizes towards GHG reduction under a harmonised framework. Now, after the end of the first phase of the initiative in 2020, would be the time to assess the impact and effectiveness of the planed actions, based on the results of the monitoring exercise. However, the level and quality of monitoring reported by participating municipalities was not as expected and required an initial deep analysis. This study investigates the reasons behind this low number by comparing statistically the action plans of the 1643 CoM municipalities monitoring their emissions against the 3411 municipalities not doing it. The paper describes how, despite technical and financial barriers, key factors such as the direct involvement of local staff, stakeholders in participatory processes from an early stage, accurate budget allocation, or the development of the plan and deployment of actions as soon as possible, enabling municipalities to track and monitor their progress towards their climate target. • Assessing CoM impact is challenging due to the lack of monitoring/progress reports. • The lack of monitoring is explained by technical and financial barriers. • Direct engagement of local staff and stakeholders is key for successful monitoring. • Barriers and drivers found are a valuable guidance for global climate actors. [ABSTRACT FROM AUTHOR]

With nearly 70% of the world population expected to live in cities by 2050, assessing the sustainability of urban systems, both existing and future ones, is becoming increasingly relevant. Making cities more sustainable is a global priority, which is highlighted by 'Sustainable Cities and Communities' being listed as one of the Sustainable Development Goals (SDG) adopted by United Nations Member States in 2015. This Virtual Special Issue (VSI) explores the implementation and assessment of policies and technologies that contribute to the transition to a sustainable, energy efficient and regenerative society. We organized the issue according to four main research themes: 1) Renewable Energy Systems (i.e., different types of systems, qualitative assessments and public acceptance); 2) Sustainable Built Environment (which includes construction, operation and refurbishment); 3) Multi-Scale Models (considering urban sustainability transition from building to districts, or cities and regions to multi-country comparisons and their scaling across different countries); and 4) Governance and Policy (climate change mitigation and adaptation plans/policies that are reported across countries, urban services and infrastructures). This paper serves two purposes. The first is to provide an analysis about patterns, correlations and synergies found across the different topics that have been addressed over the last 20 years in the literature about cities' sustainability paths. A bibliometric analysis and a contingency matrix show the degree of correlation between scientific journals and main topics addressed by published articles. Secondly, the paper acts as an Editorial to the VSI, introducing the wealth of research articles and topics included in it. Both the bibliometric analysis and the papers published in this VSI demonstrate the interconnectedness of energy consumption, pollutant emissions and the competition for finite resources. The aim is to present advances and challenges of this exciting and ever-evolving research field to inform and guide future studies of urban sustainability. • We carried out a bibliometric analysis of the literature using the Cortext Manager platform· Using network analysis of a corpus of paper spanning 20 years we identified 8 major clusters. • The paper serves also as editorial for a virtual special issue dealing with urban sustainability pathways. • The virtual special issue is organised in four main themes, which touch upon different Sustainable Development Goals. [ABSTRACT FROM AUTHOR]

This paper examines a pathway for small islands to replace fossil fuels by renewable sources, such as wind and solar, up to 100% to economically achieve energy security and satisfy The Paris Agreement to limit temperature rise as close as possible to 1.5 °C, in an economically beneficial manner. Using Jamaica, as an example, it is shown that the introduction of intermittent renewable energy to an island grid, which is electrically isolated, relying totally on itself for backup, causes serious frequency fluctuations and load shedding. Simulations show that a Battery Energy Storage System (BESS) using Li-ion batteries can be employed to economically overcome these problems. It is also noted that the cost of batteries with longer discharge capacity is on the decline and their use is expected to be become economical in about 10 years. Looking at the reported pathway to satisfy The Paris Agreement, a 2-phase pathway is suggested. In the Phase 1 (2020–2030) 30% integration of intermittent renewables with BESS backup can be implemented in a manner that is not economically burdensome whilst the remaining fossil fuel system can provide the firm energy needed. In Phase 2 (2030–2055), more renewables can be implemented, provided sufficient long term storage, including batteries, can be added to provide firm energy. By 2030 the cost of such storage is expected to fall resulting in increased deployment without a financial burden to the islands. Ideally, during the period 2020 to 2055, there should be no new additions of fossil fuel plants and retiring plants should be replaced by renewable energy plants; although an account is necessary for plants already in the planning and development stages. The leeway period of 2020–2030 should be used for the preparation and planning of adding up to 100% renewables in all sectors. • Sensitivity of isolated island grid systems to intermittent renewables. • Demonstration of frequency regulation control using simulations of Li-ion battery storage. • Mitigation pathway utilizing 100% renewable to limit temperature rise to 1.5″.C [ABSTRACT FROM AUTHOR]