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

Paris Amsterdam Toronto Shenzhen Tshwane Washington, DC Singapore Lima Tokyo Fuzhou Hangzhou Shanghai Santiago Berlin New York City Seoul Portland Karachi Miami Los Angeles Hong Kong Lagos Tel Aviv – Yafo Accra Barcelona Sydney Dhaka (North & South) Rome Zhenjiang Bengaluru Mexico City Seattle Freetown Paris Amsterdam Toronto Shenzhen Tshwane Washington, DC Singapore Lima Tokyo Fuzhou Hangzhou Shanghai Santiago Berlin New York City Seoul Portland Karachi Miami Los Angeles Hong Kong Lagos Tel Aviv – Yafo Accra Barcelona Sydney Dhaka (North & South) Rome Zhenjiang Bengaluru Mexico City Seattle Freetown

Guangzhou Milan London Durban (eThekwini) Ekurhuleni Melbourne Amman Nanjing Dalian Kuala Lumpur Beijing Ahmedabad Abidjan Warsaw Qingdao Rotterdam Quito Delhi NCT Jakarta Vancouver Salvador Fortaleza San Francisco Oslo Ho Chi Minh City Wuhan Madrid Medellín New Orleans Cape Town Curitiba Athens Montréal Guangzhou Milan London Durban (eThekwini) Ekurhuleni Melbourne Amman Nanjing Dalian Kuala Lumpur Beijing Ahmedabad Abidjan Warsaw Qingdao Rotterdam Quito Delhi NCT Jakarta Vancouver Salvador Fortaleza San Francisco Oslo Ho Chi Minh City Wuhan Madrid Medellín New Orleans Cape Town Curitiba Athens Montréal

Chennai Boston Auckland Austin Istanbul Rio de Janeiro Phoenix Casablanca Yokohama Quezon City Dar es Salaam Guadalajara Bangkok Mumbai Chicago Lisbon Philadelphia Heidelberg Houston São Paulo Chengdu Nairobi Buenos Aires Johannesburg Stockholm Dakar Bogotá Hanoi Addis Ababa Dubai Copenhagen Chennai Boston Auckland Austin Istanbul Rio de Janeiro Phoenix Casablanca Yokohama Quezon City Dar es Salaam Guadalajara Bangkok Mumbai Chicago Lisbon Philadelphia Heidelberg Houston São Paulo Chengdu Nairobi Buenos Aires Johannesburg Stockholm Dakar Bogotá Hanoi Addis Ababa Dubai Copenhagen