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

Abidjan Hanoi Philadelphia Dalian Rome Rio de Janeiro New Orleans Curitiba Phoenix Bogotá Miami Lagos Fortaleza Bangkok Chengdu Yokohama Delhi NCT Ho Chi Minh City Jakarta Lima Athens Berlin Shenzhen Paris Sydney Qingdao Montréal Zhenjiang Los Angeles Hong Kong Istanbul Seattle Abidjan Hanoi Philadelphia Dalian Rome Rio de Janeiro New Orleans Curitiba Phoenix Bogotá Miami Lagos Fortaleza Bangkok Chengdu Yokohama Delhi NCT Ho Chi Minh City Jakarta Lima Athens Berlin Shenzhen Paris Sydney Qingdao Montréal Zhenjiang Los Angeles Hong Kong Istanbul Seattle

Kuala Lumpur Auckland Seoul Freetown Wuhan Warsaw Boston Medellín Dar es Salaam Heidelberg Amman Lisbon Durban (eThekwini) Ekurhuleni Nanjing Nairobi Dubai Quezon City Dhaka (North & South) Houston Barcelona Cape Town Shanghai Mexico City São Paulo Guadalajara Salvador Tshwane Amsterdam Madrid Bengaluru Fuzhou Kuala Lumpur Auckland Seoul Freetown Wuhan Warsaw Boston Medellín Dar es Salaam Heidelberg Amman Lisbon Durban (eThekwini) Ekurhuleni Nanjing Nairobi Dubai Quezon City Dhaka (North & South) Houston Barcelona Cape Town Shanghai Mexico City São Paulo Guadalajara Salvador Tshwane Amsterdam Madrid Bengaluru Fuzhou

Tel Aviv – Yafo Buenos Aires Addis Ababa Austin Santiago Portland Johannesburg New York City Hangzhou London Stockholm Chicago Copenhagen Tokyo Dakar Singapore Ahmedabad Rotterdam Guangzhou Melbourne Karachi Milan Oslo Vancouver Mumbai Toronto Beijing Quito Washington, DC Accra San Francisco Chennai Tel Aviv – Yafo Buenos Aires Addis Ababa Austin Santiago Portland Johannesburg New York City Hangzhou London Stockholm Chicago Copenhagen Tokyo Dakar Singapore Ahmedabad Rotterdam Guangzhou Melbourne Karachi Milan Oslo Vancouver Mumbai Toronto Beijing Quito Washington, DC Accra San Francisco Chennai