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

Ekurhuleni Amsterdam Lisbon Curitiba Yokohama Montréal Buenos Aires Madrid Fuzhou Berlin Lima Quito Houston Athens Durban (eThekwini) Chicago Cape Town Quezon City Hong Kong Salvador Casablanca Istanbul Jakarta Toronto Washington, DC Heidelberg Phoenix Rome Vancouver Nanjing Medellín Amman Philadelphia Ekurhuleni Amsterdam Lisbon Curitiba Yokohama Montréal Buenos Aires Madrid Fuzhou Berlin Lima Quito Houston Athens Durban (eThekwini) Chicago Cape Town Quezon City Hong Kong Salvador Casablanca Istanbul Jakarta Toronto Washington, DC Heidelberg Phoenix Rome Vancouver Nanjing Medellín Amman Philadelphia

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London Dakar Los Angeles Stockholm New York City Shenzhen Abidjan Copenhagen Delhi NCT Milan Fortaleza Nairobi New Orleans Wuhan Tel Aviv – Yafo Hangzhou Mexico City Miami Singapore Hanoi Chengdu Johannesburg Chennai Austin Tshwane Ho Chi Minh City Dhaka (North & South) Dubai Accra Melbourne Freetown London Dakar Los Angeles Stockholm New York City Shenzhen Abidjan Copenhagen Delhi NCT Milan Fortaleza Nairobi New Orleans Wuhan Tel Aviv – Yafo Hangzhou Mexico City Miami Singapore Hanoi Chengdu Johannesburg Chennai Austin Tshwane Ho Chi Minh City Dhaka (North & South) Dubai Accra Melbourne Freetown