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

Delhi NCT Amman London San Francisco Istanbul Los Angeles Berlin Qingdao Tel Aviv – Yafo Abidjan Shenzhen Chengdu Paris Fuzhou Shanghai Durban (eThekwini) Bengaluru Cape Town Vancouver Lisbon Lima Ho Chi Minh City Dubai Amsterdam Johannesburg Guangzhou Chennai Rotterdam Washington, DC Toronto Auckland Mumbai Philadelphia Delhi NCT Amman London San Francisco Istanbul Los Angeles Berlin Qingdao Tel Aviv – Yafo Abidjan Shenzhen Chengdu Paris Fuzhou Shanghai Durban (eThekwini) Bengaluru Cape Town Vancouver Lisbon Lima Ho Chi Minh City Dubai Amsterdam Johannesburg Guangzhou Chennai Rotterdam Washington, DC Toronto Auckland Mumbai Philadelphia

Bogotá Austin Freetown Bangkok Accra Addis Ababa Ahmedabad Hangzhou Tokyo Milan Curitiba Nairobi Casablanca Medellín Tshwane Dakar Warsaw Singapore Seattle Lagos New Orleans Seoul Chicago Copenhagen Ekurhuleni Dalian Phoenix Yokohama Boston Athens Dhaka (North & South) Fortaleza Guadalajara Bogotá Austin Freetown Bangkok Accra Addis Ababa Ahmedabad Hangzhou Tokyo Milan Curitiba Nairobi Casablanca Medellín Tshwane Dakar Warsaw Singapore Seattle Lagos New Orleans Seoul Chicago Copenhagen Ekurhuleni Dalian Phoenix Yokohama Boston Athens Dhaka (North & South) Fortaleza Guadalajara

Jakarta Madrid Zhenjiang Quito New York City Rome Heidelberg Quezon City Hong Kong Salvador Barcelona Karachi São Paulo Dar es Salaam Hanoi Rio de Janeiro Melbourne Oslo Nanjing Santiago Wuhan Houston Mexico City Beijing Stockholm Kuala Lumpur Sydney Buenos Aires Portland Miami Montréal Jakarta Madrid Zhenjiang Quito New York City Rome Heidelberg Quezon City Hong Kong Salvador Barcelona Karachi São Paulo Dar es Salaam Hanoi Rio de Janeiro Melbourne Oslo Nanjing Santiago Wuhan Houston Mexico City Beijing Stockholm Kuala Lumpur Sydney Buenos Aires Portland Miami Montréal