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

Qingdao Houston San Francisco Tshwane Zhenjiang Ekurhuleni Santiago Addis Ababa Delhi NCT Chicago Fuzhou Durban (eThekwini) Amsterdam New Orleans Stockholm London Medellín Los Angeles Freetown São Paulo Chengdu Casablanca Barcelona Montréal Milan Seattle Singapore Buenos Aires Paris Berlin Wuhan Lisbon Lagos Qingdao Houston San Francisco Tshwane Zhenjiang Ekurhuleni Santiago Addis Ababa Delhi NCT Chicago Fuzhou Durban (eThekwini) Amsterdam New Orleans Stockholm London Medellín Los Angeles Freetown São Paulo Chengdu Casablanca Barcelona Montréal Milan Seattle Singapore Buenos Aires Paris Berlin Wuhan Lisbon Lagos

Madrid Dhaka (North & South) Philadelphia Toronto Beijing Warsaw Miami Amman Guangzhou Hangzhou Jakarta Lima Nairobi Bogotá Yokohama Melbourne Sydney Karachi Tel Aviv – Yafo Portland Seoul Washington, DC Kuala Lumpur Mexico City Phoenix Ho Chi Minh City Guadalajara Vancouver Chennai Dubai Shanghai Rio de Janeiro Curitiba Madrid Dhaka (North & South) Philadelphia Toronto Beijing Warsaw Miami Amman Guangzhou Hangzhou Jakarta Lima Nairobi Bogotá Yokohama Melbourne Sydney Karachi Tel Aviv – Yafo Portland Seoul Washington, DC Kuala Lumpur Mexico City Phoenix Ho Chi Minh City Guadalajara Vancouver Chennai Dubai Shanghai Rio de Janeiro Curitiba

Nanjing Salvador Heidelberg Auckland Shenzhen Quito Mumbai Quezon City Hong Kong Athens Dakar Cape Town Ahmedabad Dalian Rotterdam Abidjan Istanbul Austin New York City Rome Hanoi Tokyo Bangkok Fortaleza Boston Oslo Johannesburg Copenhagen Bengaluru Dar es Salaam Accra Nanjing Salvador Heidelberg Auckland Shenzhen Quito Mumbai Quezon City Hong Kong Athens Dakar Cape Town Ahmedabad Dalian Rotterdam Abidjan Istanbul Austin New York City Rome Hanoi Tokyo Bangkok Fortaleza Boston Oslo Johannesburg Copenhagen Bengaluru Dar es Salaam Accra