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

Ekurhuleni Buenos Aires Oslo Santiago Bangkok Qingdao Chicago Tshwane Phoenix Melbourne Houston Wuhan Shanghai Sydney Nanjing São Paulo Paris Athens Tokyo Montréal Lima Chennai Jakarta Bengaluru Milan Seattle Miami Portland Rotterdam Philadelphia Auckland Berlin Fuzhou Ekurhuleni Buenos Aires Oslo Santiago Bangkok Qingdao Chicago Tshwane Phoenix Melbourne Houston Wuhan Shanghai Sydney Nanjing São Paulo Paris Athens Tokyo Montréal Lima Chennai Jakarta Bengaluru Milan Seattle Miami Portland Rotterdam Philadelphia Auckland Berlin Fuzhou

Hong Kong Madrid Mumbai Karachi Cape Town Delhi NCT Stockholm Accra Chengdu Barcelona Curitiba Freetown Ahmedabad Quezon City New Orleans Mexico City Yokohama Tel Aviv – Yafo Guangzhou Quito Dar es Salaam Dubai Dhaka (North & South) Hanoi Rio de Janeiro Beijing London Toronto Nairobi Los Angeles Heidelberg Medellín Amman Hong Kong Madrid Mumbai Karachi Cape Town Delhi NCT Stockholm Accra Chengdu Barcelona Curitiba Freetown Ahmedabad Quezon City New Orleans Mexico City Yokohama Tel Aviv – Yafo Guangzhou Quito Dar es Salaam Dubai Dhaka (North & South) Hanoi Rio de Janeiro Beijing London Toronto Nairobi Los Angeles Heidelberg Medellín Amman

Shenzhen Dalian Bogotá Zhenjiang Seoul Ho Chi Minh City Rome Addis Ababa Copenhagen Boston Amsterdam Johannesburg Warsaw Istanbul Dakar Abidjan New York City Fortaleza Guadalajara Kuala Lumpur Durban (eThekwini) Salvador San Francisco Washington, DC Austin Casablanca Lagos Vancouver Hangzhou Lisbon Singapore Shenzhen Dalian Bogotá Zhenjiang Seoul Ho Chi Minh City Rome Addis Ababa Copenhagen Boston Amsterdam Johannesburg Warsaw Istanbul Dakar Abidjan New York City Fortaleza Guadalajara Kuala Lumpur Durban (eThekwini) Salvador San Francisco Washington, DC Austin Casablanca Lagos Vancouver Hangzhou Lisbon Singapore