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

Philadelphia Sydney Austin Qingdao Chennai Ho Chi Minh City Tokyo Stockholm Cape Town Madrid Kuala Lumpur Tel Aviv – Yafo Singapore Amman Accra Auckland Washington, DC Nairobi San Francisco Seattle Lagos Heidelberg Johannesburg Salvador Lima Guangzhou Berlin New York City Dubai Wuhan Bogotá Lisbon Bangkok Philadelphia Sydney Austin Qingdao Chennai Ho Chi Minh City Tokyo Stockholm Cape Town Madrid Kuala Lumpur Tel Aviv – Yafo Singapore Amman Accra Auckland Washington, DC Nairobi San Francisco Seattle Lagos Heidelberg Johannesburg Salvador Lima Guangzhou Berlin New York City Dubai Wuhan Bogotá Lisbon Bangkok

Mexico City Paris New Orleans Mumbai Yokohama Hanoi Buenos Aires Beijing Vancouver São Paulo Casablanca Hong Kong Phoenix Karachi Santiago Houston Boston Freetown Dakar Amsterdam Ahmedabad Rio de Janeiro Zhenjiang Dalian Milan Istanbul Abidjan Medellín Barcelona Jakarta Shanghai London Seoul Mexico City Paris New Orleans Mumbai Yokohama Hanoi Buenos Aires Beijing Vancouver São Paulo Casablanca Hong Kong Phoenix Karachi Santiago Houston Boston Freetown Dakar Amsterdam Ahmedabad Rio de Janeiro Zhenjiang Dalian Milan Istanbul Abidjan Medellín Barcelona Jakarta Shanghai London Seoul

Athens Chicago Dar es Salaam Fortaleza Chengdu Nanjing Guadalajara Toronto Durban (eThekwini) Portland Montréal Tshwane Quito Warsaw Ekurhuleni Delhi NCT Fuzhou Quezon City Shenzhen Rotterdam Dhaka (North & South) Addis Ababa Melbourne Bengaluru Miami Rome Oslo Curitiba Copenhagen Los Angeles Hangzhou Athens Chicago Dar es Salaam Fortaleza Chengdu Nanjing Guadalajara Toronto Durban (eThekwini) Portland Montréal Tshwane Quito Warsaw Ekurhuleni Delhi NCT Fuzhou Quezon City Shenzhen Rotterdam Dhaka (North & South) Addis Ababa Melbourne Bengaluru Miami Rome Oslo Curitiba Copenhagen Los Angeles Hangzhou