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

Abidjan Melbourne Madrid Curitiba Rio de Janeiro Warsaw Dhaka (North & South) Guangzhou London Hong Kong Quezon City Toronto Addis Ababa Chicago Wuhan Dar es Salaam Nairobi Ho Chi Minh City Johannesburg Stockholm Lima Guadalajara Fortaleza Paris Montréal Accra Phoenix Cape Town Tshwane Barcelona Hangzhou Salvador Durban (eThekwini) Abidjan Melbourne Madrid Curitiba Rio de Janeiro Warsaw Dhaka (North & South) Guangzhou London Hong Kong Quezon City Toronto Addis Ababa Chicago Wuhan Dar es Salaam Nairobi Ho Chi Minh City Johannesburg Stockholm Lima Guadalajara Fortaleza Paris Montréal Accra Phoenix Cape Town Tshwane Barcelona Hangzhou Salvador Durban (eThekwini)

Bangkok Heidelberg Tel Aviv – Yafo Los Angeles Bengaluru Mexico City Singapore Kuala Lumpur Seoul São Paulo Portland Lagos Chengdu San Francisco Rotterdam Washington, DC Chennai Bogotá Shenzhen Rome Quito Amsterdam Zhenjiang Freetown Sydney Houston Milan Oslo Karachi Santiago Ahmedabad Berlin Philadelphia Bangkok Heidelberg Tel Aviv – Yafo Los Angeles Bengaluru Mexico City Singapore Kuala Lumpur Seoul São Paulo Portland Lagos Chengdu San Francisco Rotterdam Washington, DC Chennai Bogotá Shenzhen Rome Quito Amsterdam Zhenjiang Freetown Sydney Houston Milan Oslo Karachi Santiago Ahmedabad Berlin Philadelphia

Miami Qingdao Dubai Lisbon Buenos Aires Medellín New York City Boston Istanbul Austin Nanjing Auckland Jakarta Delhi NCT New Orleans Vancouver Mumbai Shanghai Tokyo Athens Fuzhou Yokohama Copenhagen Dakar Hanoi Seattle Ekurhuleni Amman Dalian Beijing Casablanca Miami Qingdao Dubai Lisbon Buenos Aires Medellín New York City Boston Istanbul Austin Nanjing Auckland Jakarta Delhi NCT New Orleans Vancouver Mumbai Shanghai Tokyo Athens Fuzhou Yokohama Copenhagen Dakar Hanoi Seattle Ekurhuleni Amman Dalian Beijing Casablanca