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

Bengaluru Medellín Durban (eThekwini) Seattle Bangkok Chicago Hong Kong Los Angeles Paris New York City Zhenjiang Sydney Qingdao Vancouver Rotterdam Heidelberg Copenhagen Oslo Milan Seoul Nairobi São Paulo Madrid Quezon City Delhi NCT Amsterdam Austin Athens Singapore Melbourne Hangzhou Tokyo Johannesburg Bengaluru Medellín Durban (eThekwini) Seattle Bangkok Chicago Hong Kong Los Angeles Paris New York City Zhenjiang Sydney Qingdao Vancouver Rotterdam Heidelberg Copenhagen Oslo Milan Seoul Nairobi São Paulo Madrid Quezon City Delhi NCT Amsterdam Austin Athens Singapore Melbourne Hangzhou Tokyo Johannesburg

Rio de Janeiro Philadelphia New Orleans Cape Town Chennai Amman Istanbul Freetown Guangzhou Karachi Ho Chi Minh City Casablanca Phoenix Lagos Ekurhuleni London Mumbai Buenos Aires Addis Ababa Berlin Washington, DC Miami Yokohama Lima Dubai San Francisco Dalian Fortaleza Fuzhou Hanoi Tshwane Beijing Dakar Rio de Janeiro Philadelphia New Orleans Cape Town Chennai Amman Istanbul Freetown Guangzhou Karachi Ho Chi Minh City Casablanca Phoenix Lagos Ekurhuleni London Mumbai Buenos Aires Addis Ababa Berlin Washington, DC Miami Yokohama Lima Dubai San Francisco Dalian Fortaleza Fuzhou Hanoi Tshwane Beijing Dakar

Abidjan Auckland Dar es Salaam Salvador Tel Aviv – Yafo Rome Guadalajara Stockholm Lisbon Barcelona Kuala Lumpur Warsaw Montréal Chengdu Houston Boston Wuhan Shenzhen Accra Santiago Dhaka (North & South) Mexico City Nanjing Ahmedabad Jakarta Curitiba Bogotá Toronto Quito Portland Shanghai Abidjan Auckland Dar es Salaam Salvador Tel Aviv – Yafo Rome Guadalajara Stockholm Lisbon Barcelona Kuala Lumpur Warsaw Montréal Chengdu Houston Boston Wuhan Shenzhen Accra Santiago Dhaka (North & South) Mexico City Nanjing Ahmedabad Jakarta Curitiba Bogotá Toronto Quito Portland Shanghai