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

São Paulo Boston Phoenix Portland Houston Chennai Dakar Rome Tel Aviv – Yafo Delhi NCT Oslo Rotterdam Copenhagen Istanbul New York City Lima Tokyo Lisbon Athens Auckland Tshwane San Francisco Heidelberg Dubai Jakarta Bangkok Barcelona Durban (eThekwini) Wuhan Singapore London Montréal Medellín São Paulo Boston Phoenix Portland Houston Chennai Dakar Rome Tel Aviv – Yafo Delhi NCT Oslo Rotterdam Copenhagen Istanbul New York City Lima Tokyo Lisbon Athens Auckland Tshwane San Francisco Heidelberg Dubai Jakarta Bangkok Barcelona Durban (eThekwini) Wuhan Singapore London Montréal Medellín

Qingdao Dalian Sydney Rio de Janeiro Ho Chi Minh City Buenos Aires Casablanca Shenzhen Austin Ahmedabad Hanoi Nairobi Miami Quito Fortaleza New Orleans Dhaka (North & South) Yokohama Milan Dar es Salaam Salvador Cape Town Freetown Johannesburg Toronto Ekurhuleni Abidjan Madrid Addis Ababa Chengdu Nanjing Karachi Stockholm Qingdao Dalian Sydney Rio de Janeiro Ho Chi Minh City Buenos Aires Casablanca Shenzhen Austin Ahmedabad Hanoi Nairobi Miami Quito Fortaleza New Orleans Dhaka (North & South) Yokohama Milan Dar es Salaam Salvador Cape Town Freetown Johannesburg Toronto Ekurhuleni Abidjan Madrid Addis Ababa Chengdu Nanjing Karachi Stockholm

Chicago Vancouver Melbourne Guangzhou Hong Kong Berlin Amman Warsaw Seoul Beijing Fuzhou Shanghai Santiago Philadelphia Lagos Accra Seattle Hangzhou Mexico City Los Angeles Bogotá Amsterdam Curitiba Zhenjiang Paris Kuala Lumpur Mumbai Washington, DC Guadalajara Quezon City Bengaluru Chicago Vancouver Melbourne Guangzhou Hong Kong Berlin Amman Warsaw Seoul Beijing Fuzhou Shanghai Santiago Philadelphia Lagos Accra Seattle Hangzhou Mexico City Los Angeles Bogotá Amsterdam Curitiba Zhenjiang Paris Kuala Lumpur Mumbai Washington, DC Guadalajara Quezon City Bengaluru