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

Phoenix Sydney Bengaluru Lima Barcelona Vancouver Shanghai Salvador Bogotá Ekurhuleni San Francisco Dar es Salaam Chennai Durban (eThekwini) São Paulo Karachi Dubai Tshwane London Portland Santiago Casablanca Cape Town Rome Lagos Mexico City Milan Qingdao Montréal Washington, DC Melbourne Amman Chicago Phoenix Sydney Bengaluru Lima Barcelona Vancouver Shanghai Salvador Bogotá Ekurhuleni San Francisco Dar es Salaam Chennai Durban (eThekwini) São Paulo Karachi Dubai Tshwane London Portland Santiago Casablanca Cape Town Rome Lagos Mexico City Milan Qingdao Montréal Washington, DC Melbourne Amman Chicago

Ho Chi Minh City Tel Aviv – Yafo Medellín Stockholm Istanbul Hangzhou Wuhan Fortaleza Dhaka (North & South) Paris Copenhagen Zhenjiang Beijing Lisbon Ahmedabad Singapore Amsterdam Johannesburg Mumbai Toronto Oslo Rio de Janeiro Quito Seoul Dalian Madrid Los Angeles Philadelphia Nanjing Auckland Delhi NCT Addis Ababa Accra Ho Chi Minh City Tel Aviv – Yafo Medellín Stockholm Istanbul Hangzhou Wuhan Fortaleza Dhaka (North & South) Paris Copenhagen Zhenjiang Beijing Lisbon Ahmedabad Singapore Amsterdam Johannesburg Mumbai Toronto Oslo Rio de Janeiro Quito Seoul Dalian Madrid Los Angeles Philadelphia Nanjing Auckland Delhi NCT Addis Ababa Accra

Hong Kong Chengdu Nairobi Athens Freetown Austin Buenos Aires Tokyo Yokohama Rotterdam Miami Kuala Lumpur Quezon City Guadalajara Shenzhen Dakar Boston Abidjan New York City Bangkok Curitiba New Orleans Fuzhou Warsaw Houston Guangzhou Jakarta Seattle Heidelberg Hanoi Berlin Hong Kong Chengdu Nairobi Athens Freetown Austin Buenos Aires Tokyo Yokohama Rotterdam Miami Kuala Lumpur Quezon City Guadalajara Shenzhen Dakar Boston Abidjan New York City Bangkok Curitiba New Orleans Fuzhou Warsaw Houston Guangzhou Jakarta Seattle Heidelberg Hanoi Berlin