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

Washington, DC Nairobi Durban (eThekwini) Heidelberg Salvador Dar es Salaam London San Francisco Fortaleza Guangzhou Lisbon Hong Kong Paris Seattle Dhaka (North & South) Stockholm Dubai Medellín Mumbai Ahmedabad Yokohama Zhenjiang Sydney Chicago Los Angeles Nanjing Amsterdam Portland Chengdu Curitiba Beijing Delhi NCT Toronto Washington, DC Nairobi Durban (eThekwini) Heidelberg Salvador Dar es Salaam London San Francisco Fortaleza Guangzhou Lisbon Hong Kong Paris Seattle Dhaka (North & South) Stockholm Dubai Medellín Mumbai Ahmedabad Yokohama Zhenjiang Sydney Chicago Los Angeles Nanjing Amsterdam Portland Chengdu Curitiba Beijing Delhi NCT Toronto

Amman Buenos Aires Hanoi New Orleans Madrid Hangzhou Phoenix Rio de Janeiro Tshwane Oslo Chennai Austin Istanbul Auckland Dakar Addis Ababa Quito Seoul Tokyo Qingdao Ho Chi Minh City Philadelphia Barcelona Ekurhuleni Shenzhen Quezon City Copenhagen Dalian Boston Rotterdam Milan Santiago Wuhan Amman Buenos Aires Hanoi New Orleans Madrid Hangzhou Phoenix Rio de Janeiro Tshwane Oslo Chennai Austin Istanbul Auckland Dakar Addis Ababa Quito Seoul Tokyo Qingdao Ho Chi Minh City Philadelphia Barcelona Ekurhuleni Shenzhen Quezon City Copenhagen Dalian Boston Rotterdam Milan Santiago Wuhan

Athens Miami Houston Rome Johannesburg Melbourne Abidjan Berlin Montréal Warsaw Kuala Lumpur Freetown Lima Guadalajara New York City Tel Aviv – Yafo Karachi Singapore Cape Town Bogotá Casablanca Mexico City Bengaluru Lagos Fuzhou Bangkok Vancouver São Paulo Shanghai Accra Jakarta Athens Miami Houston Rome Johannesburg Melbourne Abidjan Berlin Montréal Warsaw Kuala Lumpur Freetown Lima Guadalajara New York City Tel Aviv – Yafo Karachi Singapore Cape Town Bogotá Casablanca Mexico City Bengaluru Lagos Fuzhou Bangkok Vancouver São Paulo Shanghai Accra Jakarta