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This policy note provides a summary and perspectives of the Water-Energy-Food-Ecosystems (WEFE) Nexus for climate-resilient sustainable development. It showcases the strong inter-relationship between water resources, energy generation, food production and freshwater ecosystems and the links between the WEFE nexus and integrated water resources management (IWRM). The WEFE nexus emphasizes using a systems approach to give equal consideration to all four […]

Publisher: UNEP-DHI
Published Year: 2024
Number of Pages: 4

Access to clean water and modern energy supply are key preconditions for modern life. Water-energy nexus refers to the tight interlinkage and high interdependence between water and energy demand and supply (WWAP, 2014). Energy production, especially hydropower and the cooling of thermal and nuclear power generation, depends on water. Reallocating water to different uses and places might increase the value […]

Publisher: UNEP Copenhagen Climate Centre
Published Year: 2023
Number of Pages: 10

The UNEP Adaptation Gap Report provides an annual science-based assessment of the global progress on adaptation planning, financing, and implementation. It also explores options for enhancing and advancing national and global adaptation efforts and provides an in-depth analysis of selected issues of interest. In addition to the update on adaptation planning and implementation, the 2023 edition provides a more in-depth […]

Publisher: UNEP
Published Year: 2023

This publication, a product of the Adaptation Working Group of the independent Global Stocktake (iGST), aims to advance conceptual and operational discussions of the A&E of adaptation in the context of the GST by bringing together the perspectives of a multitude of stakeholders, including academia, practitioners and policy-makers, all organized around one fundamental question: ‘How can the concepts of adequacy […]

Publisher: ClimateWorks Foundation
Published Year: 2023
Number of Pages: 76

The development, transfer, diffusion, and uptake of technologies to mitigate and adapt to the impacts of climate change are essential to the response to the rapidly escalating problem of climate change. However, while the role of technologies is increasingly recognized, the degree to which technologies are deployed and barriers and enabling conditions for the development, transfer, diffusion, and uptake of […]

Publisher: UNEP Copenhagen Climate Centre
Published Year: 2023
Number of Pages: 90

This document establishes common guidelines of action for all countries and priority sectors, to ensure the delivery of high quality and consistent project outputs to increase the likelihood of achieving the intended outcomes.

Publisher: NDC Action
Published Year: 2023
Number of Pages: 15

In this second edition of “Regulatory Barriers for ESCOs”, 19 ESCO associations have provided comprehensive answers to 15 questions that illuminate different aspects of regulatory barriers for ESCOs. The formulation of the questions was informed and inspired by interviews that were conducted in 2021 for the first edition of this publication, where focused interviews with 10 ESCO associations served as […]

Publisher: UNEP Copenhagen Climate Centre and The global ESCO network
Published Year: 2023
Number of Pages: 53

The adverse impacts of human-induced climate change have severe repercussions for the planet’s well-being and societies. Rising sea levels, elevated temperatures, extreme weather, and biodiversity loss are among the current global challenges. Despite commitments to mitigate and adapt to these impacts in line with the Paris Agreement, these measures may be insufficient, leading to unavoidable and sometimes irreversible loss and […]

Publisher: UNEP Copenhagen Climate Centre in cooperation with DanChurchAid
Published Year: 2023
Number of Pages: 3

Building on four previous publications, this publication provides a new set of success stories on how countries have used their TNAs and TAPs to advance the implementation of climate technologies. It provides examples from different regions and covers different sectors. The stories highlight how TNAs are used by developing countries as a highly practical tool that provides an effective and […]

Publisher: UNEP Copenhagen Climate Centre
Published Year: 2023
Number of Pages: 24

This policy brief provides answers to two questions.  First, why energy efficiency investments continue to represent a marginal share of green investment volumes, even though energy efficiency improvements are among the most prominent investment categories in green finance taxonomies.  Second, what corrective actions governments can take, especially with regard to developing-country supply chains. The intended primary audiences of this document […]

Publisher: UNEP Copenhagen Climate Centre
Published Year: 2023