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

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Berlin Dubai Karachi Madrid Tel Aviv – Yafo Qingdao Casablanca Hong Kong Ho Chi Minh City Chicago Wuhan Dar es Salaam Freetown Medellín Washington, DC Austin Shenzhen São Paulo Amman Vancouver Auckland Miami Portland Bangkok Chengdu Tshwane San Francisco Ahmedabad Curitiba Johannesburg Amsterdam Durban (eThekwini) Mumbai Berlin Dubai Karachi Madrid Tel Aviv – Yafo Qingdao Casablanca Hong Kong Ho Chi Minh City Chicago Wuhan Dar es Salaam Freetown Medellín Washington, DC Austin Shenzhen São Paulo Amman Vancouver Auckland Miami Portland Bangkok Chengdu Tshwane San Francisco Ahmedabad Curitiba Johannesburg Amsterdam Durban (eThekwini) Mumbai

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