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

Amman Guangzhou Fortaleza Nanjing Hong Kong Dakar Jakarta Lisbon Qingdao Toronto Medellín Phoenix Johannesburg Bangkok Tshwane Los Angeles Fuzhou New Orleans Curitiba Boston Shenzhen Quezon City Sydney Lima Buenos Aires Athens Accra Cape Town Abidjan New York City Oslo São Paulo Amman Guangzhou Fortaleza Nanjing Hong Kong Dakar Jakarta Lisbon Qingdao Toronto Medellín Phoenix Johannesburg Bangkok Tshwane Los Angeles Fuzhou New Orleans Curitiba Boston Shenzhen Quezon City Sydney Lima Buenos Aires Athens Accra Cape Town Abidjan New York City Oslo São Paulo

Chicago Chengdu Ho Chi Minh City Quito Kuala Lumpur Mexico City Hanoi Ekurhuleni Warsaw Dubai Auckland Vancouver Milan Melbourne Durban (eThekwini) Rio de Janeiro Amsterdam Karachi Freetown San Francisco Seoul Seattle Rome Rotterdam Singapore Copenhagen Bogotá Montréal Heidelberg Addis Ababa Dar es Salaam Philadelphia Chicago Chengdu Ho Chi Minh City Quito Kuala Lumpur Mexico City Hanoi Ekurhuleni Warsaw Dubai Auckland Vancouver Milan Melbourne Durban (eThekwini) Rio de Janeiro Amsterdam Karachi Freetown San Francisco Seoul Seattle Rome Rotterdam Singapore Copenhagen Bogotá Montréal Heidelberg Addis Ababa Dar es Salaam Philadelphia

Ahmedabad Zhenjiang Dalian Portland Barcelona Wuhan Houston Washington, DC Hangzhou Berlin Lagos Dhaka (North & South) Yokohama Bengaluru Shanghai Santiago Tokyo Istanbul Beijing Chennai Madrid Tel Aviv – Yafo Austin Guadalajara Salvador Mumbai Stockholm London Nairobi Paris Miami Delhi NCT Ahmedabad Zhenjiang Dalian Portland Barcelona Wuhan Houston Washington, DC Hangzhou Berlin Lagos Dhaka (North & South) Yokohama Bengaluru Shanghai Santiago Tokyo Istanbul Beijing Chennai Madrid Tel Aviv – Yafo Austin Guadalajara Salvador Mumbai Stockholm London Nairobi Paris Miami Delhi NCT