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

Tel Aviv – Yafo Medellín Philadelphia Salvador Madrid Dubai Accra Rotterdam Addis Ababa San Francisco Ekurhuleni Lima Quito Berlin Guangzhou Singapore Johannesburg Hangzhou Santiago Shenzhen Ho Chi Minh City Phoenix Freetown Curitiba Rio de Janeiro Mexico City Mumbai Bengaluru Portland Dakar Shanghai Fuzhou Fortaleza Tel Aviv – Yafo Medellín Philadelphia Salvador Madrid Dubai Accra Rotterdam Addis Ababa San Francisco Ekurhuleni Lima Quito Berlin Guangzhou Singapore Johannesburg Hangzhou Santiago Shenzhen Ho Chi Minh City Phoenix Freetown Curitiba Rio de Janeiro Mexico City Mumbai Bengaluru Portland Dakar Shanghai Fuzhou Fortaleza

Auckland Dhaka (North & South) Warsaw Nanjing Abidjan Stockholm Lisbon Cape Town Casablanca Oslo Beijing Durban (eThekwini) São Paulo Hong Kong Miami Tokyo Chengdu Heidelberg New York City Chennai Kuala Lumpur Bangkok Los Angeles Milan Quezon City Ahmedabad Rome Zhenjiang Chicago Dalian Tshwane Boston Jakarta Auckland Dhaka (North & South) Warsaw Nanjing Abidjan Stockholm Lisbon Cape Town Casablanca Oslo Beijing Durban (eThekwini) São Paulo Hong Kong Miami Tokyo Chengdu Heidelberg New York City Chennai Kuala Lumpur Bangkok Los Angeles Milan Quezon City Ahmedabad Rome Zhenjiang Chicago Dalian Tshwane Boston Jakarta

Bogotá Qingdao Istanbul Vancouver Washington, DC Hanoi Austin Guadalajara Delhi NCT Toronto Seoul Seattle Wuhan Barcelona Amsterdam Nairobi New Orleans Dar es Salaam Athens Buenos Aires Amman Paris Lagos Karachi Melbourne Montréal Copenhagen London Houston Yokohama Sydney Bogotá Qingdao Istanbul Vancouver Washington, DC Hanoi Austin Guadalajara Delhi NCT Toronto Seoul Seattle Wuhan Barcelona Amsterdam Nairobi New Orleans Dar es Salaam Athens Buenos Aires Amman Paris Lagos Karachi Melbourne Montréal Copenhagen London Houston Yokohama Sydney