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

Singapore Auckland Guangzhou Phoenix Casablanca Dubai Santiago Nanjing Ahmedabad Qingdao Lima Abidjan Mumbai Philadelphia Karachi Tshwane Buenos Aires Bangkok Shanghai Paris Quito Copenhagen Chennai Heidelberg Hangzhou São Paulo Hanoi Nairobi Cape Town Fuzhou Dakar Washington, DC Yokohama Singapore Auckland Guangzhou Phoenix Casablanca Dubai Santiago Nanjing Ahmedabad Qingdao Lima Abidjan Mumbai Philadelphia Karachi Tshwane Buenos Aires Bangkok Shanghai Paris Quito Copenhagen Chennai Heidelberg Hangzhou São Paulo Hanoi Nairobi Cape Town Fuzhou Dakar Washington, DC Yokohama

Fortaleza Portland Barcelona Zhenjiang Boston Houston Seoul Rome Athens Miami Milan Accra Dalian Jakarta Quezon City Rio de Janeiro Seattle Mexico City Dhaka (North & South) Istanbul Ekurhuleni Sydney Medellín Warsaw Hong Kong Tel Aviv – Yafo Guadalajara Rotterdam Los Angeles Montréal Amsterdam Oslo Shenzhen Fortaleza Portland Barcelona Zhenjiang Boston Houston Seoul Rome Athens Miami Milan Accra Dalian Jakarta Quezon City Rio de Janeiro Seattle Mexico City Dhaka (North & South) Istanbul Ekurhuleni Sydney Medellín Warsaw Hong Kong Tel Aviv – Yafo Guadalajara Rotterdam Los Angeles Montréal Amsterdam Oslo Shenzhen

Vancouver Ho Chi Minh City Tokyo San Francisco Addis Ababa Stockholm Bengaluru Kuala Lumpur Amman Curitiba New Orleans Madrid Freetown Lagos Durban (eThekwini) Austin Chengdu Bogotá Melbourne London New York City Salvador Delhi NCT Toronto Johannesburg Berlin Dar es Salaam Chicago Lisbon Wuhan Beijing Vancouver Ho Chi Minh City Tokyo San Francisco Addis Ababa Stockholm Bengaluru Kuala Lumpur Amman Curitiba New Orleans Madrid Freetown Lagos Durban (eThekwini) Austin Chengdu Bogotá Melbourne London New York City Salvador Delhi NCT Toronto Johannesburg Berlin Dar es Salaam Chicago Lisbon Wuhan Beijing