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

São Paulo New Orleans Sydney Melbourne Heidelberg Tokyo Philadelphia Ekurhuleni Lagos Durban (eThekwini) Quito Stockholm Jakarta Hangzhou Phoenix Oslo Copenhagen Istanbul Austin Bangkok Mumbai Milan Paris Portland Santiago Rotterdam Montréal Beijing Curitiba Buenos Aires Dalian Tel Aviv – Yafo Abidjan São Paulo New Orleans Sydney Melbourne Heidelberg Tokyo Philadelphia Ekurhuleni Lagos Durban (eThekwini) Quito Stockholm Jakarta Hangzhou Phoenix Oslo Copenhagen Istanbul Austin Bangkok Mumbai Milan Paris Portland Santiago Rotterdam Montréal Beijing Curitiba Buenos Aires Dalian Tel Aviv – Yafo Abidjan

Washington, DC Bogotá Hanoi Dar es Salaam Cape Town Zhenjiang Medellín Houston Freetown Karachi Athens Fuzhou Warsaw Tshwane New York City Salvador Rio de Janeiro Dubai Seoul Yokohama Addis Ababa Hong Kong Ahmedabad Dakar London Vancouver Quezon City Delhi NCT Madrid Guadalajara Barcelona Johannesburg Shenzhen Washington, DC Bogotá Hanoi Dar es Salaam Cape Town Zhenjiang Medellín Houston Freetown Karachi Athens Fuzhou Warsaw Tshwane New York City Salvador Rio de Janeiro Dubai Seoul Yokohama Addis Ababa Hong Kong Ahmedabad Dakar London Vancouver Quezon City Delhi NCT Madrid Guadalajara Barcelona Johannesburg Shenzhen

Lisbon Auckland Chicago Shanghai Lima Seattle Casablanca Chengdu Amman Ho Chi Minh City Los Angeles Miami Fortaleza Amsterdam Dhaka (North & South) Rome Singapore Mexico City Kuala Lumpur Chennai Nairobi Qingdao Nanjing Wuhan Accra Bengaluru Berlin Guangzhou Boston San Francisco Toronto Lisbon Auckland Chicago Shanghai Lima Seattle Casablanca Chengdu Amman Ho Chi Minh City Los Angeles Miami Fortaleza Amsterdam Dhaka (North & South) Rome Singapore Mexico City Kuala Lumpur Chennai Nairobi Qingdao Nanjing Wuhan Accra Bengaluru Berlin Guangzhou Boston San Francisco Toronto