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

San Francisco Montréal Paris Amman Ekurhuleni Nanjing Houston Singapore São Paulo Abidjan Zhenjiang Bangkok Karachi Bogotá Quito Medellín Santiago Vancouver Tokyo Rotterdam Sydney Barcelona Wuhan Mumbai Casablanca Hangzhou Ahmedabad Rio de Janeiro Philadelphia Lima Chennai Hong Kong Qingdao San Francisco Montréal Paris Amman Ekurhuleni Nanjing Houston Singapore São Paulo Abidjan Zhenjiang Bangkok Karachi Bogotá Quito Medellín Santiago Vancouver Tokyo Rotterdam Sydney Barcelona Wuhan Mumbai Casablanca Hangzhou Ahmedabad Rio de Janeiro Philadelphia Lima Chennai Hong Kong Qingdao

Lisbon Durban (eThekwini) Portland Cape Town New York City Istanbul Berlin Nairobi London Dar es Salaam Seattle Beijing Bengaluru Delhi NCT Heidelberg Mexico City Dhaka (North & South) Miami Jakarta Lagos Johannesburg Guangzhou Melbourne Buenos Aires Madrid New Orleans Yokohama Chengdu Hanoi Auckland Rome Milan Tel Aviv – Yafo Lisbon Durban (eThekwini) Portland Cape Town New York City Istanbul Berlin Nairobi London Dar es Salaam Seattle Beijing Bengaluru Delhi NCT Heidelberg Mexico City Dhaka (North & South) Miami Jakarta Lagos Johannesburg Guangzhou Melbourne Buenos Aires Madrid New Orleans Yokohama Chengdu Hanoi Auckland Rome Milan Tel Aviv – Yafo

Shenzhen Ho Chi Minh City Washington, DC Phoenix Addis Ababa Shanghai Stockholm Warsaw Toronto Quezon City Oslo Guadalajara Amsterdam Austin Dalian Tshwane Chicago Curitiba Kuala Lumpur Dakar Freetown Seoul Salvador Accra Fuzhou Athens Los Angeles Dubai Boston Copenhagen Fortaleza Shenzhen Ho Chi Minh City Washington, DC Phoenix Addis Ababa Shanghai Stockholm Warsaw Toronto Quezon City Oslo Guadalajara Amsterdam Austin Dalian Tshwane Chicago Curitiba Kuala Lumpur Dakar Freetown Seoul Salvador Accra Fuzhou Athens Los Angeles Dubai Boston Copenhagen Fortaleza