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

Guangzhou Delhi NCT Dar es Salaam Copenhagen Karachi Toronto Medellín Quezon City Auckland Stockholm Madrid Chicago Philadelphia Mexico City Johannesburg New York City Tokyo Bengaluru Accra Paris Sydney Heidelberg Milan Melbourne Hong Kong Mumbai Buenos Aires Rotterdam Dhaka (North & South) Lima Montréal Hanoi Guangzhou Delhi NCT Dar es Salaam Copenhagen Karachi Toronto Medellín Quezon City Auckland Stockholm Madrid Chicago Philadelphia Mexico City Johannesburg New York City Tokyo Bengaluru Accra Paris Sydney Heidelberg Milan Melbourne Hong Kong Mumbai Buenos Aires Rotterdam Dhaka (North & South) Lima Montréal Hanoi

Bangkok Cape Town Qingdao Phoenix Salvador Tshwane São Paulo Athens Oslo Houston Dakar Dubai Fuzhou Lagos Nanjing Seattle Berlin Seoul Freetown Bogotá Fortaleza Jakarta Shenzhen Nairobi Singapore Dalian Barcelona Wuhan Los Angeles Vancouver Warsaw Ahmedabad Bangkok Cape Town Qingdao Phoenix Salvador Tshwane São Paulo Athens Oslo Houston Dakar Dubai Fuzhou Lagos Nanjing Seattle Berlin Seoul Freetown Bogotá Fortaleza Jakarta Shenzhen Nairobi Singapore Dalian Barcelona Wuhan Los Angeles Vancouver Warsaw Ahmedabad

Addis Ababa Chennai Ho Chi Minh City Zhenjiang Miami Amman Austin Boston Hangzhou Beijing London Curitiba Guadalajara Kuala Lumpur San Francisco Santiago Amsterdam Lisbon Portland Durban (eThekwini) Yokohama Tel Aviv – Yafo New Orleans Rio de Janeiro Istanbul Washington, DC Rome Abidjan Quito Shanghai Ekurhuleni Chengdu Addis Ababa Chennai Ho Chi Minh City Zhenjiang Miami Amman Austin Boston Hangzhou Beijing London Curitiba Guadalajara Kuala Lumpur San Francisco Santiago Amsterdam Lisbon Portland Durban (eThekwini) Yokohama Tel Aviv – Yafo New Orleans Rio de Janeiro Istanbul Washington, DC Rome Abidjan Quito Shanghai Ekurhuleni Chengdu