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

Beijing Berlin Quito Tokyo Zhenjiang Seattle Rome Dakar Austin Dar es Salaam Rio de Janeiro Barcelona Johannesburg Delhi NCT Shenzhen Philadelphia Addis Ababa Yokohama New York City Singapore Phoenix Accra Portland Bangkok Rotterdam Mexico City Boston Chennai São Paulo London Tshwane Ekurhuleni Chicago Beijing Berlin Quito Tokyo Zhenjiang Seattle Rome Dakar Austin Dar es Salaam Rio de Janeiro Barcelona Johannesburg Delhi NCT Shenzhen Philadelphia Addis Ababa Yokohama New York City Singapore Phoenix Accra Portland Bangkok Rotterdam Mexico City Boston Chennai São Paulo London Tshwane Ekurhuleni Chicago

Guangzhou Hangzhou Jakarta Ahmedabad Mumbai Melbourne Fuzhou Chengdu Quezon City Abidjan Salvador Karachi Sydney Curitiba Istanbul Shanghai Washington, DC Lima Vancouver Lagos Freetown Oslo Athens Medellín Paris Nairobi Casablanca Bengaluru Miami Qingdao Tel Aviv – Yafo Copenhagen Seoul Guangzhou Hangzhou Jakarta Ahmedabad Mumbai Melbourne Fuzhou Chengdu Quezon City Abidjan Salvador Karachi Sydney Curitiba Istanbul Shanghai Washington, DC Lima Vancouver Lagos Freetown Oslo Athens Medellín Paris Nairobi Casablanca Bengaluru Miami Qingdao Tel Aviv – Yafo Copenhagen Seoul

Durban (eThekwini) San Francisco Milan Guadalajara Los Angeles Hanoi Houston Cape Town Montréal Hong Kong Nanjing Madrid Dhaka (North & South) New Orleans Bogotá Buenos Aires Stockholm Dalian Wuhan Ho Chi Minh City Fortaleza Lisbon Amman Dubai Toronto Kuala Lumpur Heidelberg Warsaw Auckland Amsterdam Santiago Durban (eThekwini) San Francisco Milan Guadalajara Los Angeles Hanoi Houston Cape Town Montréal Hong Kong Nanjing Madrid Dhaka (North & South) New Orleans Bogotá Buenos Aires Stockholm Dalian Wuhan Ho Chi Minh City Fortaleza Lisbon Amman Dubai Toronto Kuala Lumpur Heidelberg Warsaw Auckland Amsterdam Santiago