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 Dar es Salaam Heidelberg Santiago Chennai Milan Lagos Beijing Los Angeles Chicago Oslo Ekurhuleni Dhaka (North & South) Montréal Seoul Karachi Casablanca Nairobi Bogotá Auckland Mexico City Berlin Vancouver Washington, DC Freetown Kuala Lumpur Portland San Francisco Shanghai Boston Fuzhou Rotterdam Tshwane New York City Dar es Salaam Heidelberg Santiago Chennai Milan Lagos Beijing Los Angeles Chicago Oslo Ekurhuleni Dhaka (North & South) Montréal Seoul Karachi Casablanca Nairobi Bogotá Auckland Mexico City Berlin Vancouver Washington, DC Freetown Kuala Lumpur Portland San Francisco Shanghai Boston Fuzhou Rotterdam Tshwane

Delhi NCT Athens Austin Istanbul Dakar Qingdao Stockholm Jakarta Guadalajara Copenhagen Hanoi Houston Wuhan Durban (eThekwini) Quito Seattle Medellín São Paulo Curitiba Addis Ababa Salvador Chengdu Tokyo Lima Singapore Philadelphia Ahmedabad London Lisbon Hong Kong Mumbai Buenos Aires Dalian Delhi NCT Athens Austin Istanbul Dakar Qingdao Stockholm Jakarta Guadalajara Copenhagen Hanoi Houston Wuhan Durban (eThekwini) Quito Seattle Medellín São Paulo Curitiba Addis Ababa Salvador Chengdu Tokyo Lima Singapore Philadelphia Ahmedabad London Lisbon Hong Kong Mumbai Buenos Aires Dalian

Cape Town Paris Guangzhou Accra Phoenix Miami Bengaluru Rio de Janeiro Amman Amsterdam Nanjing Quezon City Fortaleza Dubai Warsaw New Orleans Barcelona Melbourne Madrid Hangzhou Yokohama Abidjan Toronto Sydney Johannesburg Rome Tel Aviv – Yafo Shenzhen Zhenjiang Bangkok Ho Chi Minh City Cape Town Paris Guangzhou Accra Phoenix Miami Bengaluru Rio de Janeiro Amman Amsterdam Nanjing Quezon City Fortaleza Dubai Warsaw New Orleans Barcelona Melbourne Madrid Hangzhou Yokohama Abidjan Toronto Sydney Johannesburg Rome Tel Aviv – Yafo Shenzhen Zhenjiang Bangkok Ho Chi Minh City