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

Dalian London New York City Lagos Bengaluru Casablanca Tel Aviv – Yafo Chennai Boston Ho Chi Minh City Philadelphia Cape Town Accra Dar es Salaam Chicago Melbourne Paris Freetown Dakar Amsterdam Montréal Miami Shanghai New Orleans Barcelona Portland Bangkok Guangzhou Dhaka (North & South) Durban (eThekwini) Nanjing Rome Tshwane Dalian London New York City Lagos Bengaluru Casablanca Tel Aviv – Yafo Chennai Boston Ho Chi Minh City Philadelphia Cape Town Accra Dar es Salaam Chicago Melbourne Paris Freetown Dakar Amsterdam Montréal Miami Shanghai New Orleans Barcelona Portland Bangkok Guangzhou Dhaka (North & South) Durban (eThekwini) Nanjing Rome Tshwane

San Francisco Bogotá Washington, DC Karachi Abidjan Jakarta Lima Dubai Quezon City Hanoi Zhenjiang Los Angeles Oslo Fortaleza Warsaw Toronto Medellín Johannesburg Salvador Madrid Yokohama Shenzhen Auckland Istanbul Tokyo Guadalajara Santiago Amman Mumbai Phoenix Lisbon Houston Rio de Janeiro San Francisco Bogotá Washington, DC Karachi Abidjan Jakarta Lima Dubai Quezon City Hanoi Zhenjiang Los Angeles Oslo Fortaleza Warsaw Toronto Medellín Johannesburg Salvador Madrid Yokohama Shenzhen Auckland Istanbul Tokyo Guadalajara Santiago Amman Mumbai Phoenix Lisbon Houston Rio de Janeiro

Ahmedabad Seoul Singapore Milan Sydney Austin Addis Ababa Heidelberg Hong Kong Nairobi Berlin Beijing Wuhan Fuzhou Delhi NCT Ekurhuleni São Paulo Seattle Copenhagen Hangzhou Chengdu Stockholm Athens Kuala Lumpur Qingdao Rotterdam Curitiba Mexico City Buenos Aires Vancouver Quito Ahmedabad Seoul Singapore Milan Sydney Austin Addis Ababa Heidelberg Hong Kong Nairobi Berlin Beijing Wuhan Fuzhou Delhi NCT Ekurhuleni São Paulo Seattle Copenhagen Hangzhou Chengdu Stockholm Athens Kuala Lumpur Qingdao Rotterdam Curitiba Mexico City Buenos Aires Vancouver Quito