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

Jakarta Dubai Mumbai Ekurhuleni Tokyo Washington, DC Austin Copenhagen Guangzhou Lisbon Sydney Accra Tel Aviv – Yafo Madrid Singapore Shenzhen Addis Ababa Karachi Dar es Salaam Cape Town Milan Lagos Los Angeles Warsaw Barcelona Berlin Stockholm Wuhan Houston Nanjing San Francisco Istanbul Dhaka (North & South) Jakarta Dubai Mumbai Ekurhuleni Tokyo Washington, DC Austin Copenhagen Guangzhou Lisbon Sydney Accra Tel Aviv – Yafo Madrid Singapore Shenzhen Addis Ababa Karachi Dar es Salaam Cape Town Milan Lagos Los Angeles Warsaw Barcelona Berlin Stockholm Wuhan Houston Nanjing San Francisco Istanbul Dhaka (North & South)

New Orleans Durban (eThekwini) Hong Kong Fuzhou Rome Chennai Tshwane Phoenix Medellín Rio de Janeiro Seoul Quezon City Abidjan Boston Seattle Shanghai Melbourne Lima Amsterdam Ho Chi Minh City Santiago Nairobi Quito Auckland Bogotá Paris Portland Zhenjiang Dalian Heidelberg London Chicago Qingdao New Orleans Durban (eThekwini) Hong Kong Fuzhou Rome Chennai Tshwane Phoenix Medellín Rio de Janeiro Seoul Quezon City Abidjan Boston Seattle Shanghai Melbourne Lima Amsterdam Ho Chi Minh City Santiago Nairobi Quito Auckland Bogotá Paris Portland Zhenjiang Dalian Heidelberg London Chicago Qingdao

Amman Bengaluru Chengdu Toronto Hanoi Yokohama Casablanca Freetown Hangzhou Dakar Oslo Beijing Philadelphia Delhi NCT Johannesburg Ahmedabad Athens New York City Kuala Lumpur Buenos Aires Curitiba Rotterdam Salvador Fortaleza Miami Guadalajara Montréal Bangkok Vancouver São Paulo Mexico City Amman Bengaluru Chengdu Toronto Hanoi Yokohama Casablanca Freetown Hangzhou Dakar Oslo Beijing Philadelphia Delhi NCT Johannesburg Ahmedabad Athens New York City Kuala Lumpur Buenos Aires Curitiba Rotterdam Salvador Fortaleza Miami Guadalajara Montréal Bangkok Vancouver São Paulo Mexico City