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

Fortaleza Jakarta Curitiba Cape Town Wuhan Nanjing New York City Montréal Boston Salvador Qingdao Delhi NCT Yokohama Tel Aviv – Yafo Stockholm Madrid Shenzhen Guangzhou Addis Ababa Heidelberg Durban (eThekwini) Houston Athens Singapore Casablanca Washington, DC Bengaluru Istanbul Hangzhou Rio de Janeiro Abidjan Lisbon Rotterdam Fortaleza Jakarta Curitiba Cape Town Wuhan Nanjing New York City Montréal Boston Salvador Qingdao Delhi NCT Yokohama Tel Aviv – Yafo Stockholm Madrid Shenzhen Guangzhou Addis Ababa Heidelberg Durban (eThekwini) Houston Athens Singapore Casablanca Washington, DC Bengaluru Istanbul Hangzhou Rio de Janeiro Abidjan Lisbon Rotterdam

Philadelphia Tokyo Ahmedabad Phoenix Barcelona Melbourne Zhenjiang Dar es Salaam Bangkok Chengdu Quito Lima London Ekurhuleni Karachi Beijing Buenos Aires São Paulo Sydney San Francisco Hong Kong Freetown Bogotá Seattle Mexico City Shanghai Miami Ho Chi Minh City Paris Austin Auckland Nairobi Los Angeles Philadelphia Tokyo Ahmedabad Phoenix Barcelona Melbourne Zhenjiang Dar es Salaam Bangkok Chengdu Quito Lima London Ekurhuleni Karachi Beijing Buenos Aires São Paulo Sydney San Francisco Hong Kong Freetown Bogotá Seattle Mexico City Shanghai Miami Ho Chi Minh City Paris Austin Auckland Nairobi Los Angeles

Berlin Milan Fuzhou Dhaka (North & South) Chennai New Orleans Rome Hanoi Kuala Lumpur Medellín Toronto Tshwane Vancouver Amman Santiago Quezon City Chicago Johannesburg Warsaw Accra Copenhagen Seoul Amsterdam Mumbai Oslo Lagos Dalian Guadalajara Dubai Portland Dakar Berlin Milan Fuzhou Dhaka (North & South) Chennai New Orleans Rome Hanoi Kuala Lumpur Medellín Toronto Tshwane Vancouver Amman Santiago Quezon City Chicago Johannesburg Warsaw Accra Copenhagen Seoul Amsterdam Mumbai Oslo Lagos Dalian Guadalajara Dubai Portland Dakar