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

Houston Dalian Singapore Tshwane New York City Shanghai Jakarta Durban (eThekwini) Hangzhou Warsaw Chicago Buenos Aires Tokyo Auckland Casablanca Mumbai Portland Fuzhou Shenzhen Milan Freetown Seoul Quezon City Oslo Addis Ababa Barcelona Beijing Boston Heidelberg Guadalajara Nanjing Accra Los Angeles Houston Dalian Singapore Tshwane New York City Shanghai Jakarta Durban (eThekwini) Hangzhou Warsaw Chicago Buenos Aires Tokyo Auckland Casablanca Mumbai Portland Fuzhou Shenzhen Milan Freetown Seoul Quezon City Oslo Addis Ababa Barcelona Beijing Boston Heidelberg Guadalajara Nanjing Accra Los Angeles

Dubai Karachi Stockholm Abidjan Seattle Istanbul Dar es Salaam Melbourne Cape Town San Francisco Philadelphia Lagos Hanoi Dhaka (North & South) Hong Kong Yokohama Lisbon Delhi NCT Amsterdam Lima Washington, DC São Paulo Copenhagen Berlin Ekurhuleni London Ho Chi Minh City Guangzhou Rome New Orleans Medellín Bangkok Zhenjiang Dubai Karachi Stockholm Abidjan Seattle Istanbul Dar es Salaam Melbourne Cape Town San Francisco Philadelphia Lagos Hanoi Dhaka (North & South) Hong Kong Yokohama Lisbon Delhi NCT Amsterdam Lima Washington, DC São Paulo Copenhagen Berlin Ekurhuleni London Ho Chi Minh City Guangzhou Rome New Orleans Medellín Bangkok Zhenjiang

Chennai Bengaluru Austin Montréal Phoenix Tel Aviv – Yafo Mexico City Sydney Johannesburg Chengdu Wuhan Toronto Kuala Lumpur Madrid Ahmedabad Curitiba Athens Miami Quito Rio de Janeiro Dakar Rotterdam Fortaleza Santiago Vancouver Qingdao Paris Bogotá Amman Nairobi Salvador Chennai Bengaluru Austin Montréal Phoenix Tel Aviv – Yafo Mexico City Sydney Johannesburg Chengdu Wuhan Toronto Kuala Lumpur Madrid Ahmedabad Curitiba Athens Miami Quito Rio de Janeiro Dakar Rotterdam Fortaleza Santiago Vancouver Qingdao Paris Bogotá Amman Nairobi Salvador