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

Cape Town Lima Philadelphia Houston Kuala Lumpur Chicago Fortaleza Quito Ekurhuleni Heidelberg Chennai Tokyo Hangzhou Paris Vancouver Copenhagen London Ahmedabad São Paulo Seattle Rio de Janeiro Ho Chi Minh City Dubai Rotterdam Istanbul Tshwane Shenzhen Hong Kong Addis Ababa Singapore Guangzhou Phoenix Sydney Cape Town Lima Philadelphia Houston Kuala Lumpur Chicago Fortaleza Quito Ekurhuleni Heidelberg Chennai Tokyo Hangzhou Paris Vancouver Copenhagen London Ahmedabad São Paulo Seattle Rio de Janeiro Ho Chi Minh City Dubai Rotterdam Istanbul Tshwane Shenzhen Hong Kong Addis Ababa Singapore Guangzhou Phoenix Sydney

Lagos Los Angeles Wuhan Johannesburg Seoul Amman Portland Milan Oslo Dakar Buenos Aires Stockholm Austin Mexico City Dar es Salaam Amsterdam Miami Accra Casablanca Santiago Beijing Jakarta Barcelona Bangkok Guadalajara Montréal Zhenjiang Abidjan Rome Durban (eThekwini) Athens Fuzhou Mumbai Lagos Los Angeles Wuhan Johannesburg Seoul Amman Portland Milan Oslo Dakar Buenos Aires Stockholm Austin Mexico City Dar es Salaam Amsterdam Miami Accra Casablanca Santiago Beijing Jakarta Barcelona Bangkok Guadalajara Montréal Zhenjiang Abidjan Rome Durban (eThekwini) Athens Fuzhou Mumbai

Nanjing Berlin Washington, DC Nairobi Toronto Hanoi Melbourne Qingdao Freetown Bengaluru Dalian Salvador Chengdu Madrid Karachi Medellín New Orleans Auckland Quezon City Yokohama Warsaw Tel Aviv – Yafo Curitiba Lisbon Delhi NCT Shanghai Boston Dhaka (North & South) San Francisco Bogotá New York City Nanjing Berlin Washington, DC Nairobi Toronto Hanoi Melbourne Qingdao Freetown Bengaluru Dalian Salvador Chengdu Madrid Karachi Medellín New Orleans Auckland Quezon City Yokohama Warsaw Tel Aviv – Yafo Curitiba Lisbon Delhi NCT Shanghai Boston Dhaka (North & South) San Francisco Bogotá New York City