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

Shenzhen Accra Tel Aviv – Yafo Medellín Guadalajara Philadelphia São Paulo Amsterdam Karachi Cape Town Rio de Janeiro Barcelona Addis Ababa Boston Amman Dar es Salaam Oslo Auckland Tshwane Shanghai New Orleans Delhi NCT Buenos Aires Warsaw Hong Kong Los Angeles Beijing Ho Chi Minh City Abidjan Washington, DC Dalian Wuhan Chennai Shenzhen Accra Tel Aviv – Yafo Medellín Guadalajara Philadelphia São Paulo Amsterdam Karachi Cape Town Rio de Janeiro Barcelona Addis Ababa Boston Amman Dar es Salaam Oslo Auckland Tshwane Shanghai New Orleans Delhi NCT Buenos Aires Warsaw Hong Kong Los Angeles Beijing Ho Chi Minh City Abidjan Washington, DC Dalian Wuhan Chennai

Athens Portland Fortaleza Melbourne Fuzhou Rome Santiago Seoul Nanjing Lisbon Lagos Heidelberg San Francisco Phoenix Toronto Zhenjiang Qingdao Dubai Hangzhou Austin Istanbul Johannesburg Copenhagen Stockholm Paris Kuala Lumpur Guangzhou Singapore London Montréal New York City Bangkok Houston Athens Portland Fortaleza Melbourne Fuzhou Rome Santiago Seoul Nanjing Lisbon Lagos Heidelberg San Francisco Phoenix Toronto Zhenjiang Qingdao Dubai Hangzhou Austin Istanbul Johannesburg Copenhagen Stockholm Paris Kuala Lumpur Guangzhou Singapore London Montréal New York City Bangkok Houston

Mexico City Durban (eThekwini) Lima Ahmedabad Sydney Milan Chengdu Madrid Miami Dakar Rotterdam Chicago Bogotá Jakarta Mumbai Quito Curitiba Quezon City Yokohama Dhaka (North & South) Ekurhuleni Nairobi Hanoi Vancouver Berlin Salvador Tokyo Seattle Freetown Casablanca Bengaluru Mexico City Durban (eThekwini) Lima Ahmedabad Sydney Milan Chengdu Madrid Miami Dakar Rotterdam Chicago Bogotá Jakarta Mumbai Quito Curitiba Quezon City Yokohama Dhaka (North & South) Ekurhuleni Nairobi Hanoi Vancouver Berlin Salvador Tokyo Seattle Freetown Casablanca Bengaluru