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

Rio de Janeiro Ho Chi Minh City Warsaw Guangzhou Cape Town Barcelona Jakarta Wuhan Milan Chennai Quezon City Phoenix Istanbul Amsterdam Nanjing Abidjan Dar es Salaam Seattle Kuala Lumpur Salvador Bengaluru Chengdu Quito Berlin Hangzhou Toronto Tshwane Tel Aviv – Yafo Ahmedabad Singapore Sydney Lisbon Lima Rio de Janeiro Ho Chi Minh City Warsaw Guangzhou Cape Town Barcelona Jakarta Wuhan Milan Chennai Quezon City Phoenix Istanbul Amsterdam Nanjing Abidjan Dar es Salaam Seattle Kuala Lumpur Salvador Bengaluru Chengdu Quito Berlin Hangzhou Toronto Tshwane Tel Aviv – Yafo Ahmedabad Singapore Sydney Lisbon Lima

Seoul Hanoi Shanghai Los Angeles Mexico City Amman São Paulo Mumbai Nairobi Stockholm Washington, DC Hong Kong Qingdao Bogotá New Orleans Madrid Ekurhuleni Auckland Shenzhen Houston Yokohama Karachi Austin Chicago Medellín Accra San Francisco Addis Ababa Fortaleza Johannesburg Paris Miami Rotterdam Seoul Hanoi Shanghai Los Angeles Mexico City Amman São Paulo Mumbai Nairobi Stockholm Washington, DC Hong Kong Qingdao Bogotá New Orleans Madrid Ekurhuleni Auckland Shenzhen Houston Yokohama Karachi Austin Chicago Medellín Accra San Francisco Addis Ababa Fortaleza Johannesburg Paris Miami Rotterdam

Athens Buenos Aires Durban (eThekwini) Fuzhou Philadelphia Lagos New York City Oslo Dakar London Rome Heidelberg Tokyo Casablanca Montréal Portland Dhaka (North & South) Beijing Zhenjiang Bangkok Dubai Guadalajara Dalian Boston Curitiba Melbourne Santiago Vancouver Copenhagen Freetown Delhi NCT Athens Buenos Aires Durban (eThekwini) Fuzhou Philadelphia Lagos New York City Oslo Dakar London Rome Heidelberg Tokyo Casablanca Montréal Portland Dhaka (North & South) Beijing Zhenjiang Bangkok Dubai Guadalajara Dalian Boston Curitiba Melbourne Santiago Vancouver Copenhagen Freetown Delhi NCT