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

Hangzhou Fortaleza Lisbon Austin New York City Lagos Vancouver Rotterdam Tshwane Mexico City Accra Delhi NCT Athens Tokyo Chennai Los Angeles Medellín Ekurhuleni Rome Santiago Johannesburg Bogotá Yokohama Bengaluru Amman Quito London Lima Kuala Lumpur Tel Aviv – Yafo Singapore Ahmedabad Freetown Hangzhou Fortaleza Lisbon Austin New York City Lagos Vancouver Rotterdam Tshwane Mexico City Accra Delhi NCT Athens Tokyo Chennai Los Angeles Medellín Ekurhuleni Rome Santiago Johannesburg Bogotá Yokohama Bengaluru Amman Quito London Lima Kuala Lumpur Tel Aviv – Yafo Singapore Ahmedabad Freetown

Dubai Houston Zhenjiang Shenzhen Dar es Salaam Seattle Madrid Washington, DC Heidelberg Boston Seoul Berlin Guangzhou Phoenix Stockholm Durban (eThekwini) Barcelona Dakar Chicago Beijing Philadelphia Auckland Hong Kong Jakarta Salvador Montréal Hanoi Shanghai Warsaw Curitiba Paris Copenhagen São Paulo Dubai Houston Zhenjiang Shenzhen Dar es Salaam Seattle Madrid Washington, DC Heidelberg Boston Seoul Berlin Guangzhou Phoenix Stockholm Durban (eThekwini) Barcelona Dakar Chicago Beijing Philadelphia Auckland Hong Kong Jakarta Salvador Montréal Hanoi Shanghai Warsaw Curitiba Paris Copenhagen São Paulo

Ho Chi Minh City Abidjan Melbourne Bangkok Amsterdam Fuzhou San Francisco Qingdao Cape Town Wuhan Sydney Nanjing Toronto Portland Miami Milan Chengdu New Orleans Addis Ababa Oslo Guadalajara Casablanca Buenos Aires Mumbai Nairobi Karachi Istanbul Quezon City Dalian Rio de Janeiro Dhaka (North & South) Ho Chi Minh City Abidjan Melbourne Bangkok Amsterdam Fuzhou San Francisco Qingdao Cape Town Wuhan Sydney Nanjing Toronto Portland Miami Milan Chengdu New Orleans Addis Ababa Oslo Guadalajara Casablanca Buenos Aires Mumbai Nairobi Karachi Istanbul Quezon City Dalian Rio de Janeiro Dhaka (North & South)