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

Durban (eThekwini) Boston Nanjing Chicago Bengaluru Warsaw Yokohama Houston Hangzhou Guangzhou Oslo Milan Portland Lagos Cape Town Dhaka (North & South) Fortaleza Tokyo Miami Delhi NCT Rio de Janeiro Melbourne Johannesburg Wuhan Guadalajara Vancouver Austin Barcelona Shanghai Paris Beijing Philadelphia Jakarta Durban (eThekwini) Boston Nanjing Chicago Bengaluru Warsaw Yokohama Houston Hangzhou Guangzhou Oslo Milan Portland Lagos Cape Town Dhaka (North & South) Fortaleza Tokyo Miami Delhi NCT Rio de Janeiro Melbourne Johannesburg Wuhan Guadalajara Vancouver Austin Barcelona Shanghai Paris Beijing Philadelphia Jakarta

Heidelberg Copenhagen Salvador Istanbul Auckland Montréal Dubai New York City Seattle Dakar Shenzhen Washington, DC Sydney Madrid Rome Santiago Lisbon Dar es Salaam Buenos Aires Quezon City Amsterdam Ho Chi Minh City Zhenjiang Chengdu Quito Ekurhuleni New Orleans Chennai Mumbai Los Angeles Lima Bogotá Athens Heidelberg Copenhagen Salvador Istanbul Auckland Montréal Dubai New York City Seattle Dakar Shenzhen Washington, DC Sydney Madrid Rome Santiago Lisbon Dar es Salaam Buenos Aires Quezon City Amsterdam Ho Chi Minh City Zhenjiang Chengdu Quito Ekurhuleni New Orleans Chennai Mumbai Los Angeles Lima Bogotá Athens

Nairobi San Francisco Ahmedabad Toronto Freetown Berlin Amman Casablanca Fuzhou Rotterdam Bangkok Singapore London Hong Kong Phoenix Curitiba Qingdao Seoul Hanoi Stockholm Addis Ababa Karachi Kuala Lumpur Abidjan São Paulo Medellín Tel Aviv – Yafo Dalian Accra Mexico City Tshwane Nairobi San Francisco Ahmedabad Toronto Freetown Berlin Amman Casablanca Fuzhou Rotterdam Bangkok Singapore London Hong Kong Phoenix Curitiba Qingdao Seoul Hanoi Stockholm Addis Ababa Karachi Kuala Lumpur Abidjan São Paulo Medellín Tel Aviv – Yafo Dalian Accra Mexico City Tshwane