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

Hanoi Los Angeles Heidelberg Shanghai Houston Guadalajara Amsterdam Durban (eThekwini) Bengaluru San Francisco Johannesburg Nanjing Curitiba Santiago Yokohama Salvador Washington, DC Portland Mumbai Abidjan New Orleans Beijing Quezon City Dar es Salaam Toronto Lisbon Sydney Fuzhou Paris Milan Mexico City London Addis Ababa Hanoi Los Angeles Heidelberg Shanghai Houston Guadalajara Amsterdam Durban (eThekwini) Bengaluru San Francisco Johannesburg Nanjing Curitiba Santiago Yokohama Salvador Washington, DC Portland Mumbai Abidjan New Orleans Beijing Quezon City Dar es Salaam Toronto Lisbon Sydney Fuzhou Paris Milan Mexico City London Addis Ababa

Hong Kong Jakarta Dalian Tshwane Delhi NCT São Paulo Fortaleza Ekurhuleni Ho Chi Minh City Madrid Tel Aviv – Yafo Tokyo Miami Qingdao Guangzhou Rio de Janeiro Rome Lima Seattle Athens Hangzhou Nairobi Vancouver Casablanca Melbourne Buenos Aires Cape Town Oslo Medellín Zhenjiang Quito Dhaka (North & South) Freetown Hong Kong Jakarta Dalian Tshwane Delhi NCT São Paulo Fortaleza Ekurhuleni Ho Chi Minh City Madrid Tel Aviv – Yafo Tokyo Miami Qingdao Guangzhou Rio de Janeiro Rome Lima Seattle Athens Hangzhou Nairobi Vancouver Casablanca Melbourne Buenos Aires Cape Town Oslo Medellín Zhenjiang Quito Dhaka (North & South) Freetown

Chicago Chennai Montréal Bangkok Wuhan Warsaw Bogotá Accra Stockholm Lagos Auckland Boston Chengdu Ahmedabad Istanbul Seoul Phoenix Copenhagen Karachi Barcelona Amman Dakar New York City Kuala Lumpur Berlin Philadelphia Shenzhen Singapore Dubai Rotterdam Austin Chicago Chennai Montréal Bangkok Wuhan Warsaw Bogotá Accra Stockholm Lagos Auckland Boston Chengdu Ahmedabad Istanbul Seoul Phoenix Copenhagen Karachi Barcelona Amman Dakar New York City Kuala Lumpur Berlin Philadelphia Shenzhen Singapore Dubai Rotterdam Austin