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Good practices for increasing the application of ecosystem-based adaptation and nature-based solutions for disaster risk reduction (Volume II)

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I. Introduction

The second volume of the “Good Practices for Increasing the Application of Ecosystem-based Adaptation and Nature-based Solutions for Disaster Risk Reduction” builds on the foundational work established by the Group of 20 (G20) Working Group on Disaster Risk Reduction. As the world faces escalating challenges such as climate change, biodiversity loss, and the increasing frequency of natural hazards, the integration of nature-based solutions (NbS) into disaster risk reduction (DRR) and climate change adaptation has emerged as a vital strategy for building resilience. This compendium provides updated insights, case studies, and best practices that demonstrate the critical role of NbS in addressing these interconnected global crises.

The first volume emphasized the potential of NbS to offer cost-effective, scalable, and sustainable solutions for reducing disaster risks while fostering ecosystem health and community resilience. This second volume advances that narrative by incorporating the outcomes of the G20 Working Group on Disaster Risk Reduction, which has played a pivotal role in promoting the uptake of NbS among G20 countries. Recognizing NbS as a key priority, the Working Group has helped catalyze actions to scale up nature-based solutions and ecosystem-based approaches for DRR, supporting both developed and developing nations in enhancing resilience to natural hazards and climate change.

This compendium underscores the need for collective action to address climate risks, disaster vulnerabilities, and environmental degradation. The document reflects these shared priorities by showcasing successful NbS implementations across G20 countries and beyond, highlighting innovative financing mechanisms, legal and policy frameworks, as well as capacity-building initiatives. It aims to inspire more governments and organizations to adopt and adapt NbS in their DRR strategies.

Structured around key themes—including creating enabling legal environments, enhancing risk knowledge, implementing NbS for DRR, mobilizing public and private investments and reducing poverty and inequalities—this edition also draws upon lessons learned from a diverse range of case studies.

Each section provides actionable insights into how NbS can help protect ecosystems, reduce disaster risks, adapt to climate change, and promote sustainable development, while also addressing socio-eonomic vulnerabilities.

Co-authored by UNESCO, this compendium seeks to be a valuable resource for policymakers, practitioners, and communities. It aims to foster knowledge sharing and collaboration to harness the full potential of NbS in reducing disaster risks and enhancing climate resilience globally.