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

Amsterdam Paris Wuhan Santiago Berlin Lisbon Fuzhou Chengdu New Orleans Austin Kuala Lumpur Shenzhen Johannesburg Barcelona Philadelphia Tokyo Nairobi Madrid Tshwane Stockholm Nanjing Dhaka (North & South) Accra São Paulo Tel Aviv – Yafo Yokohama Auckland Toronto Qingdao Miami Bogotá Salvador Zhenjiang Amsterdam Paris Wuhan Santiago Berlin Lisbon Fuzhou Chengdu New Orleans Austin Kuala Lumpur Shenzhen Johannesburg Barcelona Philadelphia Tokyo Nairobi Madrid Tshwane Stockholm Nanjing Dhaka (North & South) Accra São Paulo Tel Aviv – Yafo Yokohama Auckland Toronto Qingdao Miami Bogotá Salvador Zhenjiang

Shanghai Medellín Delhi NCT Quezon City Sydney Portland Ekurhuleni Durban (eThekwini) Guadalajara Guangzhou Hangzhou Phoenix Chicago Beijing Chennai Bengaluru Bangkok Singapore Addis Ababa Casablanca Freetown Seattle London Copenhagen Mexico City Houston Buenos Aires Curitiba Cape Town Ho Chi Minh City Athens Mumbai Lagos Shanghai Medellín Delhi NCT Quezon City Sydney Portland Ekurhuleni Durban (eThekwini) Guadalajara Guangzhou Hangzhou Phoenix Chicago Beijing Chennai Bengaluru Bangkok Singapore Addis Ababa Casablanca Freetown Seattle London Copenhagen Mexico City Houston Buenos Aires Curitiba Cape Town Ho Chi Minh City Athens Mumbai Lagos

Hanoi Heidelberg Milan Istanbul Seoul Rotterdam Dar es Salaam Fortaleza Karachi Abidjan Rio de Janeiro Los Angeles Vancouver Hong Kong San Francisco Jakarta Dalian Dakar Washington, DC Ahmedabad New York City Lima Montréal Quito Melbourne Rome Dubai Amman Warsaw Oslo Boston Hanoi Heidelberg Milan Istanbul Seoul Rotterdam Dar es Salaam Fortaleza Karachi Abidjan Rio de Janeiro Los Angeles Vancouver Hong Kong San Francisco Jakarta Dalian Dakar Washington, DC Ahmedabad New York City Lima Montréal Quito Melbourne Rome Dubai Amman Warsaw Oslo Boston