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

Ho Chi Minh City Portland Beijing Curitiba Medellín Shenzhen Abidjan New Orleans Barcelona London Rio de Janeiro Zhenjiang Hong Kong Athens Oslo Hanoi Seoul Bengaluru Chennai Washington, DC Phoenix Tel Aviv – Yafo Austin Heidelberg Stockholm Wuhan Amsterdam Copenhagen Lagos Amman Johannesburg Casablanca Durban (eThekwini) Ho Chi Minh City Portland Beijing Curitiba Medellín Shenzhen Abidjan New Orleans Barcelona London Rio de Janeiro Zhenjiang Hong Kong Athens Oslo Hanoi Seoul Bengaluru Chennai Washington, DC Phoenix Tel Aviv – Yafo Austin Heidelberg Stockholm Wuhan Amsterdam Copenhagen Lagos Amman Johannesburg Casablanca Durban (eThekwini)

Accra Chicago Seattle Cape Town Berlin Karachi Ahmedabad Yokohama Fortaleza Quezon City Ekurhuleni Dakar Dubai Tshwane Fuzhou Melbourne Qingdao San Francisco Hangzhou Milan Rome Auckland Lisbon Freetown Bangkok Rotterdam Boston Chengdu Guangzhou Sydney Philadelphia Dhaka (North & South) Lima Accra Chicago Seattle Cape Town Berlin Karachi Ahmedabad Yokohama Fortaleza Quezon City Ekurhuleni Dakar Dubai Tshwane Fuzhou Melbourne Qingdao San Francisco Hangzhou Milan Rome Auckland Lisbon Freetown Bangkok Rotterdam Boston Chengdu Guangzhou Sydney Philadelphia Dhaka (North & South) Lima

Shanghai Los Angeles Guadalajara Warsaw Salvador Buenos Aires Mumbai São Paulo Mexico City Vancouver Dar es Salaam New York City Houston Addis Ababa Paris Bogotá Nairobi Santiago Dalian Singapore Delhi NCT Kuala Lumpur Miami Toronto Jakarta Montréal Nanjing Quito Tokyo Madrid Istanbul Shanghai Los Angeles Guadalajara Warsaw Salvador Buenos Aires Mumbai São Paulo Mexico City Vancouver Dar es Salaam New York City Houston Addis Ababa Paris Bogotá Nairobi Santiago Dalian Singapore Delhi NCT Kuala Lumpur Miami Toronto Jakarta Montréal Nanjing Quito Tokyo Madrid Istanbul