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

Zhenjiang Dakar Guadalajara Bogotá Boston Heidelberg Johannesburg Rio de Janeiro London Vancouver Chennai Washington, DC Madrid Seattle New York City Mexico City Copenhagen Melbourne Durban (eThekwini) Tshwane Lagos Karachi Ahmedabad Cape Town Curitiba Qingdao Buenos Aires Tel Aviv – Yafo San Francisco Dalian Dubai Hanoi Los Angeles Zhenjiang Dakar Guadalajara Bogotá Boston Heidelberg Johannesburg Rio de Janeiro London Vancouver Chennai Washington, DC Madrid Seattle New York City Mexico City Copenhagen Melbourne Durban (eThekwini) Tshwane Lagos Karachi Ahmedabad Cape Town Curitiba Qingdao Buenos Aires Tel Aviv – Yafo San Francisco Dalian Dubai Hanoi Los Angeles

Oslo Fortaleza Nairobi Mumbai Wuhan Houston Shenzhen Austin Medellín Montréal Beijing Miami Istanbul Hong Kong Quito Chicago Ekurhuleni Sydney Abidjan Auckland Rome Guangzhou Rotterdam São Paulo Portland Berlin Dar es Salaam Amsterdam Kuala Lumpur Paris Fuzhou Casablanca Toronto Oslo Fortaleza Nairobi Mumbai Wuhan Houston Shenzhen Austin Medellín Montréal Beijing Miami Istanbul Hong Kong Quito Chicago Ekurhuleni Sydney Abidjan Auckland Rome Guangzhou Rotterdam São Paulo Portland Berlin Dar es Salaam Amsterdam Kuala Lumpur Paris Fuzhou Casablanca Toronto

Lisbon Warsaw Singapore Bangkok Dhaka (North & South) Athens Stockholm Seoul Lima Milan Addis Ababa Tokyo Phoenix Salvador Barcelona Amman Quezon City New Orleans Yokohama Delhi NCT Shanghai Ho Chi Minh City Hangzhou Freetown Philadelphia Jakarta Bengaluru Nanjing Chengdu Santiago Accra Lisbon Warsaw Singapore Bangkok Dhaka (North & South) Athens Stockholm Seoul Lima Milan Addis Ababa Tokyo Phoenix Salvador Barcelona Amman Quezon City New Orleans Yokohama Delhi NCT Shanghai Ho Chi Minh City Hangzhou Freetown Philadelphia Jakarta Bengaluru Nanjing Chengdu Santiago Accra