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

Portland Ekurhuleni Singapore Warsaw Santiago Chennai Lisbon Berlin Seattle Lagos Chengdu Tel Aviv – Yafo Karachi Cape Town Guangzhou Auckland New York City San Francisco Hanoi Rio de Janeiro Lima Amsterdam Sydney Johannesburg Curitiba Addis Ababa Abidjan Barcelona Rome Zhenjiang Oslo Bangkok Houston Portland Ekurhuleni Singapore Warsaw Santiago Chennai Lisbon Berlin Seattle Lagos Chengdu Tel Aviv – Yafo Karachi Cape Town Guangzhou Auckland New York City San Francisco Hanoi Rio de Janeiro Lima Amsterdam Sydney Johannesburg Curitiba Addis Ababa Abidjan Barcelona Rome Zhenjiang Oslo Bangkok Houston

Buenos Aires Ahmedabad Austin Vancouver Wuhan Shenzhen Melbourne Jakarta Philadelphia Accra Freetown Dalian Quito Los Angeles Salvador Yokohama Dhaka (North & South) Hong Kong Dakar Tokyo Kuala Lumpur Paris Durban (eThekwini) Qingdao São Paulo Rotterdam Shanghai Dubai Stockholm Casablanca Washington, DC Boston Bogotá Buenos Aires Ahmedabad Austin Vancouver Wuhan Shenzhen Melbourne Jakarta Philadelphia Accra Freetown Dalian Quito Los Angeles Salvador Yokohama Dhaka (North & South) Hong Kong Dakar Tokyo Kuala Lumpur Paris Durban (eThekwini) Qingdao São Paulo Rotterdam Shanghai Dubai Stockholm Casablanca Washington, DC Boston Bogotá

Guadalajara Toronto Amman Milan Ho Chi Minh City Heidelberg New Orleans Mexico City Delhi NCT Quezon City Mumbai Hangzhou Montréal Tshwane Seoul Fortaleza London Fuzhou Phoenix Nairobi Beijing Dar es Salaam Nanjing Miami Chicago Copenhagen Athens Istanbul Madrid Bengaluru Medellín Guadalajara Toronto Amman Milan Ho Chi Minh City Heidelberg New Orleans Mexico City Delhi NCT Quezon City Mumbai Hangzhou Montréal Tshwane Seoul Fortaleza London Fuzhou Phoenix Nairobi Beijing Dar es Salaam Nanjing Miami Chicago Copenhagen Athens Istanbul Madrid Bengaluru Medellín