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

Mumbai Mexico City Istanbul Heidelberg Miami Qingdao Lagos Philadelphia Buenos Aires Montréal Melbourne Oslo Ekurhuleni Ho Chi Minh City Guadalajara Medellín Paris Barcelona Santiago Washington, DC Portland Bangkok Chengdu Athens Hong Kong Bengaluru Dubai Lima Dakar Salvador Hangzhou Durban (eThekwini) Freetown Mumbai Mexico City Istanbul Heidelberg Miami Qingdao Lagos Philadelphia Buenos Aires Montréal Melbourne Oslo Ekurhuleni Ho Chi Minh City Guadalajara Medellín Paris Barcelona Santiago Washington, DC Portland Bangkok Chengdu Athens Hong Kong Bengaluru Dubai Lima Dakar Salvador Hangzhou Durban (eThekwini) Freetown

Tel Aviv – Yafo Nanjing Warsaw Seattle Sydney Casablanca Rio de Janeiro Singapore São Paulo Chicago Seoul Yokohama London Amman Austin Kuala Lumpur Guangzhou Dar es Salaam Tshwane Quezon City Shanghai Jakarta Rome San Francisco Zhenjiang Cape Town Abidjan Rotterdam Auckland Hanoi Phoenix Fortaleza Wuhan Tel Aviv – Yafo Nanjing Warsaw Seattle Sydney Casablanca Rio de Janeiro Singapore São Paulo Chicago Seoul Yokohama London Amman Austin Kuala Lumpur Guangzhou Dar es Salaam Tshwane Quezon City Shanghai Jakarta Rome San Francisco Zhenjiang Cape Town Abidjan Rotterdam Auckland Hanoi Phoenix Fortaleza Wuhan

New Orleans Fuzhou New York City Dalian Vancouver Delhi NCT Toronto Nairobi Madrid Amsterdam Berlin Addis Ababa Accra Curitiba Dhaka (North & South) Lisbon Houston Stockholm Johannesburg Chennai Tokyo Los Angeles Shenzhen Boston Karachi Beijing Bogotá Milan Copenhagen Quito Ahmedabad New Orleans Fuzhou New York City Dalian Vancouver Delhi NCT Toronto Nairobi Madrid Amsterdam Berlin Addis Ababa Accra Curitiba Dhaka (North & South) Lisbon Houston Stockholm Johannesburg Chennai Tokyo Los Angeles Shenzhen Boston Karachi Beijing Bogotá Milan Copenhagen Quito Ahmedabad