C40

Overview

C40 is a global network of nearly 100 mayors of the world’s leading cities that are united in action to confront the climate crisis.

Mayors of C40 cities are committed to using an inclusive, science-based and collaborative approach to cut their fair share of emissions in half by 2030, help the world limit global heating to 1.5°C, and build healthy, equitable and resilient communities. C40 supports mayors to do this by:

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