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

Austin Amsterdam Portland Nanjing Dalian Ahmedabad Sydney Chennai Buenos Aires Guadalajara Bangkok Fuzhou Bogotá Washington, DC Singapore Santiago Medellín Toronto Chengdu Addis Ababa Casablanca Curitiba Qingdao San Francisco Hanoi Tshwane Jakarta Durban (eThekwini) Guangzhou Copenhagen Ho Chi Minh City Bengaluru Philadelphia Austin Amsterdam Portland Nanjing Dalian Ahmedabad Sydney Chennai Buenos Aires Guadalajara Bangkok Fuzhou Bogotá Washington, DC Singapore Santiago Medellín Toronto Chengdu Addis Ababa Casablanca Curitiba Qingdao San Francisco Hanoi Tshwane Jakarta Durban (eThekwini) Guangzhou Copenhagen Ho Chi Minh City Bengaluru Philadelphia

Mumbai Cape Town Paris Miami Lima Seoul Tel Aviv – Yafo Kuala Lumpur Karachi Lisbon Rio de Janeiro Yokohama Auckland Montréal Dar es Salaam Quito Dubai Dhaka (North & South) Lagos Melbourne Oslo Ekurhuleni Freetown Zhenjiang Shenzhen Heidelberg New Orleans Abidjan Los Angeles Shanghai Quezon City Houston Barcelona Mumbai Cape Town Paris Miami Lima Seoul Tel Aviv – Yafo Kuala Lumpur Karachi Lisbon Rio de Janeiro Yokohama Auckland Montréal Dar es Salaam Quito Dubai Dhaka (North & South) Lagos Melbourne Oslo Ekurhuleni Freetown Zhenjiang Shenzhen Heidelberg New Orleans Abidjan Los Angeles Shanghai Quezon City Houston Barcelona

Hong Kong Fortaleza Amman New York City Delhi NCT Seattle Hangzhou Vancouver Istanbul Milan Boston Chicago Salvador Rome Warsaw Johannesburg Stockholm Accra Tokyo Nairobi Dakar Rotterdam Madrid São Paulo Athens Berlin Mexico City London Wuhan Beijing Phoenix Hong Kong Fortaleza Amman New York City Delhi NCT Seattle Hangzhou Vancouver Istanbul Milan Boston Chicago Salvador Rome Warsaw Johannesburg Stockholm Accra Tokyo Nairobi Dakar Rotterdam Madrid São Paulo Athens Berlin Mexico City London Wuhan Beijing Phoenix