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

New York City Mumbai Barcelona Abidjan Mexico City Seattle Dhaka (North & South) Bengaluru Boston Lima Dalian Nairobi Rio de Janeiro Medellín Ekurhuleni Wuhan Fuzhou Dubai Rotterdam Sydney Tokyo Zhenjiang Quito New Orleans Houston Bogotá Guangzhou Rome São Paulo Austin Heidelberg Hangzhou New York City Mumbai Barcelona Abidjan Mexico City Seattle Dhaka (North & South) Bengaluru Boston Lima Dalian Nairobi Rio de Janeiro Medellín Ekurhuleni Wuhan Fuzhou Dubai Rotterdam Sydney Tokyo Zhenjiang Quito New Orleans Houston Bogotá Guangzhou Rome São Paulo Austin Heidelberg Hangzhou

Singapore Delhi NCT Melbourne Istanbul Paris Curitiba Berlin Quezon City Freetown Yokohama Nanjing Fortaleza Santiago Montréal Toronto Stockholm Salvador Phoenix Hong Kong Auckland Karachi Bangkok Buenos Aires Hanoi Miami Chengdu Jakarta Cape Town Addis Ababa Portland Amman London Singapore Delhi NCT Melbourne Istanbul Paris Curitiba Berlin Quezon City Freetown Yokohama Nanjing Fortaleza Santiago Montréal Toronto Stockholm Salvador Phoenix Hong Kong Auckland Karachi Bangkok Buenos Aires Hanoi Miami Chengdu Jakarta Cape Town Addis Ababa Portland Amman London

Warsaw Oslo Seoul Tshwane Lagos Lisbon Vancouver Ahmedabad Dakar Milan Dar es Salaam Philadelphia Chicago Copenhagen Ho Chi Minh City Shanghai Amsterdam Johannesburg Beijing Madrid Shenzhen Chennai Accra Qingdao Kuala Lumpur Durban (eThekwini) Washington, DC Tel Aviv – Yafo Athens Guadalajara Los Angeles San Francisco Warsaw Oslo Seoul Tshwane Lagos Lisbon Vancouver Ahmedabad Dakar Milan Dar es Salaam Philadelphia Chicago Copenhagen Ho Chi Minh City Shanghai Amsterdam Johannesburg Beijing Madrid Shenzhen Chennai Accra Qingdao Kuala Lumpur Durban (eThekwini) Washington, DC Tel Aviv – Yafo Athens Guadalajara Los Angeles San Francisco