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

Nairobi Dubai Shenzhen Warsaw Singapore Chengdu Quezon City Tokyo Hanoi Mexico City Milan Los Angeles Nanjing Casablanca Chennai Lima Philadelphia Heidelberg Ekurhuleni London Qingdao Bangkok Guangzhou Austin Athens Auckland Accra Amsterdam Durban (eThekwini) Dakar Paris Hong Kong Dhaka (North & South) Nairobi Dubai Shenzhen Warsaw Singapore Chengdu Quezon City Tokyo Hanoi Mexico City Milan Los Angeles Nanjing Casablanca Chennai Lima Philadelphia Heidelberg Ekurhuleni London Qingdao Bangkok Guangzhou Austin Athens Auckland Accra Amsterdam Durban (eThekwini) Dakar Paris Hong Kong Dhaka (North & South)

Mumbai Portland Santiago Buenos Aires Berlin Yokohama Jakarta Ho Chi Minh City Karachi Rotterdam Lagos Fortaleza Miami Curitiba Tel Aviv – Yafo Washington, DC Toronto Dar es Salaam São Paulo Kuala Lumpur New York City Medellín Vancouver Houston Amman Addis Ababa Chicago Zhenjiang Quito Dalian Guadalajara Oslo Boston Mumbai Portland Santiago Buenos Aires Berlin Yokohama Jakarta Ho Chi Minh City Karachi Rotterdam Lagos Fortaleza Miami Curitiba Tel Aviv – Yafo Washington, DC Toronto Dar es Salaam São Paulo Kuala Lumpur New York City Medellín Vancouver Houston Amman Addis Ababa Chicago Zhenjiang Quito Dalian Guadalajara Oslo Boston

Bogotá San Francisco Abidjan Shanghai Rio de Janeiro Delhi NCT Madrid Montréal Sydney Lisbon Seoul Beijing Fuzhou Phoenix Seattle Bengaluru Wuhan Ahmedabad Barcelona Cape Town Melbourne Copenhagen Tshwane Istanbul Freetown Hangzhou New Orleans Johannesburg Salvador Rome Stockholm Bogotá San Francisco Abidjan Shanghai Rio de Janeiro Delhi NCT Madrid Montréal Sydney Lisbon Seoul Beijing Fuzhou Phoenix Seattle Bengaluru Wuhan Ahmedabad Barcelona Cape Town Melbourne Copenhagen Tshwane Istanbul Freetown Hangzhou New Orleans Johannesburg Salvador Rome Stockholm