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

Salvador Guadalajara London Oslo Santiago Bogotá Tokyo Singapore Buenos Aires Philadelphia Washington, DC Jakarta Barcelona Fuzhou Qingdao Amsterdam New York City Los Angeles Austin Hong Kong New Orleans Shenzhen Rio de Janeiro Ahmedabad Paris Dhaka (North & South) Houston Vancouver Chennai Wuhan Quezon City Warsaw Miami Salvador Guadalajara London Oslo Santiago Bogotá Tokyo Singapore Buenos Aires Philadelphia Washington, DC Jakarta Barcelona Fuzhou Qingdao Amsterdam New York City Los Angeles Austin Hong Kong New Orleans Shenzhen Rio de Janeiro Ahmedabad Paris Dhaka (North & South) Houston Vancouver Chennai Wuhan Quezon City Warsaw Miami

Toronto Boston Tel Aviv – Yafo Guangzhou Chicago Dar es Salaam Fortaleza Karachi Curitiba Mexico City Kuala Lumpur Auckland Rotterdam Athens Quito Chengdu Hanoi Nairobi Seattle Copenhagen Ho Chi Minh City Dubai Mumbai Medellín Shanghai Abidjan Seoul Nanjing Phoenix Hangzhou Addis Ababa Casablanca Yokohama Toronto Boston Tel Aviv – Yafo Guangzhou Chicago Dar es Salaam Fortaleza Karachi Curitiba Mexico City Kuala Lumpur Auckland Rotterdam Athens Quito Chengdu Hanoi Nairobi Seattle Copenhagen Ho Chi Minh City Dubai Mumbai Medellín Shanghai Abidjan Seoul Nanjing Phoenix Hangzhou Addis Ababa Casablanca Yokohama

Stockholm Istanbul Beijing Johannesburg Lima Melbourne Freetown Bangkok Rome Lisbon Dakar Milan Accra Montréal Durban (eThekwini) Amman Portland Tshwane Dalian Berlin Ekurhuleni Madrid San Francisco Sydney São Paulo Delhi NCT Heidelberg Cape Town Zhenjiang Bengaluru Lagos Stockholm Istanbul Beijing Johannesburg Lima Melbourne Freetown Bangkok Rome Lisbon Dakar Milan Accra Montréal Durban (eThekwini) Amman Portland Tshwane Dalian Berlin Ekurhuleni Madrid San Francisco Sydney São Paulo Delhi NCT Heidelberg Cape Town Zhenjiang Bengaluru Lagos