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

Qingdao Istanbul Madrid San Francisco Cape Town Dubai Portland Santiago Phoenix Curitiba Dhaka (North & South) Seoul Hanoi Bogotá Austin Mumbai Lisbon Accra Vancouver Athens Tshwane Lima Freetown Buenos Aires Shenzhen Rotterdam Nanjing Medellín Nairobi Berlin Ho Chi Minh City Guangzhou Miami Qingdao Istanbul Madrid San Francisco Cape Town Dubai Portland Santiago Phoenix Curitiba Dhaka (North & South) Seoul Hanoi Bogotá Austin Mumbai Lisbon Accra Vancouver Athens Tshwane Lima Freetown Buenos Aires Shenzhen Rotterdam Nanjing Medellín Nairobi Berlin Ho Chi Minh City Guangzhou Miami

Mexico City Quezon City Bangkok Dar es Salaam Chicago Rio de Janeiro Wuhan Paris Sydney Zhenjiang Warsaw Tokyo Los Angeles Philadelphia Oslo Jakarta Shanghai Houston Ekurhuleni Casablanca Stockholm Copenhagen Hong Kong Beijing Fortaleza Seattle New Orleans Johannesburg Guadalajara Kuala Lumpur Toronto Karachi Singapore Mexico City Quezon City Bangkok Dar es Salaam Chicago Rio de Janeiro Wuhan Paris Sydney Zhenjiang Warsaw Tokyo Los Angeles Philadelphia Oslo Jakarta Shanghai Houston Ekurhuleni Casablanca Stockholm Copenhagen Hong Kong Beijing Fortaleza Seattle New Orleans Johannesburg Guadalajara Kuala Lumpur Toronto Karachi Singapore

Hangzhou Delhi NCT Chengdu Milan Addis Ababa Yokohama Dakar Heidelberg Dalian Washington, DC Boston São Paulo New York City Auckland Bengaluru London Tel Aviv – Yafo Abidjan Amsterdam Quito Amman Salvador Ahmedabad Melbourne Durban (eThekwini) Lagos Fuzhou Montréal Chennai Barcelona Rome Hangzhou Delhi NCT Chengdu Milan Addis Ababa Yokohama Dakar Heidelberg Dalian Washington, DC Boston São Paulo New York City Auckland Bengaluru London Tel Aviv – Yafo Abidjan Amsterdam Quito Amman Salvador Ahmedabad Melbourne Durban (eThekwini) Lagos Fuzhou Montréal Chennai Barcelona Rome