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

Rio de Janeiro Yokohama Amsterdam Milan Chicago Dalian São Paulo Medellín Washington, DC Philadelphia Shenzhen Warsaw Heidelberg Copenhagen Seattle Fortaleza Kuala Lumpur Seoul Miami Istanbul Karachi Johannesburg Addis Ababa Paris Jakarta Portland Bogotá London Auckland Guadalajara Ekurhuleni Guangzhou Buenos Aires Rio de Janeiro Yokohama Amsterdam Milan Chicago Dalian São Paulo Medellín Washington, DC Philadelphia Shenzhen Warsaw Heidelberg Copenhagen Seattle Fortaleza Kuala Lumpur Seoul Miami Istanbul Karachi Johannesburg Addis Ababa Paris Jakarta Portland Bogotá London Auckland Guadalajara Ekurhuleni Guangzhou Buenos Aires

Dhaka (North & South) Abidjan Rome Tel Aviv – Yafo Chennai San Francisco Dakar Fuzhou Amman Lisbon Qingdao Oslo New Orleans Athens New York City Phoenix Beijing Austin Casablanca Madrid Los Angeles Freetown Hangzhou Bengaluru Dar es Salaam Cape Town Wuhan Hanoi Delhi NCT Tokyo Dubai Toronto Chengdu Dhaka (North & South) Abidjan Rome Tel Aviv – Yafo Chennai San Francisco Dakar Fuzhou Amman Lisbon Qingdao Oslo New Orleans Athens New York City Phoenix Beijing Austin Casablanca Madrid Los Angeles Freetown Hangzhou Bengaluru Dar es Salaam Cape Town Wuhan Hanoi Delhi NCT Tokyo Dubai Toronto Chengdu

Quito Shanghai Salvador Singapore Melbourne Tshwane Ho Chi Minh City Ahmedabad Curitiba Nairobi Boston Zhenjiang Houston Hong Kong Quezon City Santiago Vancouver Barcelona Mumbai Berlin Bangkok Lagos Montréal Nanjing Lima Accra Sydney Stockholm Durban (eThekwini) Rotterdam Mexico City Quito Shanghai Salvador Singapore Melbourne Tshwane Ho Chi Minh City Ahmedabad Curitiba Nairobi Boston Zhenjiang Houston Hong Kong Quezon City Santiago Vancouver Barcelona Mumbai Berlin Bangkok Lagos Montréal Nanjing Lima Accra Sydney Stockholm Durban (eThekwini) Rotterdam Mexico City