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

New York City Addis Ababa Salvador Medellín Amsterdam Curitiba Quezon City Ekurhuleni Miami Seoul Paris Montréal Auckland Chicago Guangzhou Fuzhou Warsaw Zhenjiang Copenhagen Karachi Houston Durban (eThekwini) Tokyo Oslo Philadelphia Nairobi Berlin Bogotá Wuhan Stockholm Amman Qingdao Chengdu New York City Addis Ababa Salvador Medellín Amsterdam Curitiba Quezon City Ekurhuleni Miami Seoul Paris Montréal Auckland Chicago Guangzhou Fuzhou Warsaw Zhenjiang Copenhagen Karachi Houston Durban (eThekwini) Tokyo Oslo Philadelphia Nairobi Berlin Bogotá Wuhan Stockholm Amman Qingdao Chengdu

Freetown Yokohama Athens Cape Town Barcelona Portland Washington, DC Kuala Lumpur Phoenix Ahmedabad Jakarta Buenos Aires Dubai Dakar Singapore Toronto Abidjan Rome Lagos Santiago Lisbon Hong Kong Hanoi Nanjing Beijing Vancouver Dalian Los Angeles Dhaka (North & South) Guadalajara Shenzhen Sydney Mexico City Freetown Yokohama Athens Cape Town Barcelona Portland Washington, DC Kuala Lumpur Phoenix Ahmedabad Jakarta Buenos Aires Dubai Dakar Singapore Toronto Abidjan Rome Lagos Santiago Lisbon Hong Kong Hanoi Nanjing Beijing Vancouver Dalian Los Angeles Dhaka (North & South) Guadalajara Shenzhen Sydney Mexico City

Chennai Delhi NCT Austin New Orleans Istanbul Tel Aviv – Yafo Dar es Salaam Quito São Paulo Milan Mumbai Seattle Johannesburg Bangkok Ho Chi Minh City Hangzhou Boston San Francisco Casablanca Lima Madrid Tshwane Bengaluru Fortaleza Accra Shanghai Melbourne Heidelberg Rio de Janeiro Rotterdam London Chennai Delhi NCT Austin New Orleans Istanbul Tel Aviv – Yafo Dar es Salaam Quito São Paulo Milan Mumbai Seattle Johannesburg Bangkok Ho Chi Minh City Hangzhou Boston San Francisco Casablanca Lima Madrid Tshwane Bengaluru Fortaleza Accra Shanghai Melbourne Heidelberg Rio de Janeiro Rotterdam London