Envisioning the future of the CBA conference series: learning from the past 20 years to initiate a shift from principles to practice

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Published: November 2026
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The International Community-Based Adaptation to Climate Change (CBA) conference is the leading global platform that brings together communities and practitioners, including governments, researchers and funders, to advance locally led adaptation (LLA). 

Over 20 years, CBA has evolved from defining community-based adaptation to championing climate justice, decolonisation, and the transfer of power and resources to local actors. The conferences have been instrumental in developing the LLA principles, fostering a global community of practice, and influencing climate finance and policy, while promoting equitable adaptation through learning, accountability and partnerships.

This report provides an overview of the CBA conference series, its history and evolution. We also introduce a new vision for the conference series, and identify the partnerships and milestones needed to build on the last 20 years and implement the next stage of the series.

Cite this publication

Acuda, A., Thazin Aung, M. and Mitchell, P. (2026). Envisioning the future of the CBA conference series: learning from the past 20 years to initiate a shift from principles to practice. IIED, London.
Available at https://www.iied.org/22768g