C40 Cities

International network of cities committed to fighting climate change

The C40 Cities Climate Leadership Group (C40) is a network that connects more than 80 of the world’s greatest cities committed to addressing climate change, representing more than 600 million people and one quarter of the global economy.
C40 was founded on the idea that cities can achieve more by working together than acting alone. Now in its 11th year, C40 is focused on tackling climate change and driving urban action that reduces greenhouse gas emissions and climate risks, while increasing the health, wellbeing and economic opportunities of urban citizens. C40’s international staff supports mayors of the world’s megacities to deliver bold, ambitious and transformational action on climate change, through the exchange of ideas, programmes and policies.
The current chair of C40 is Mayor of Paris, Anne Hidalgo, while the President of the Board is three-term Mayor of New York City Michael R. Bloomberg.

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