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

Delhi NCT Paris Amsterdam Buenos Aires Madrid Hangzhou Santiago Stockholm Los Angeles Amman Auckland Ahmedabad Dar es Salaam Milan Johannesburg Nanjing Bangkok Tshwane Vancouver Lisbon Bogotá Wuhan Cape Town Addis Ababa Chengdu Mumbai Salvador Istanbul Ho Chi Minh City Abidjan Heidelberg Yokohama Berlin Delhi NCT Paris Amsterdam Buenos Aires Madrid Hangzhou Santiago Stockholm Los Angeles Amman Auckland Ahmedabad Dar es Salaam Milan Johannesburg Nanjing Bangkok Tshwane Vancouver Lisbon Bogotá Wuhan Cape Town Addis Ababa Chengdu Mumbai Salvador Istanbul Ho Chi Minh City Abidjan Heidelberg Yokohama Berlin

Tokyo Bengaluru Guangzhou Hanoi Barcelona Austin Lima Toronto London Curitiba Shenzhen Nairobi Singapore São Paulo Freetown Copenhagen Oslo Zhenjiang Durban (eThekwini) Fuzhou Rome Washington, DC New Orleans Athens Miami Montréal Beijing Guadalajara Portland Seattle Hong Kong Dalian Mexico City Tokyo Bengaluru Guangzhou Hanoi Barcelona Austin Lima Toronto London Curitiba Shenzhen Nairobi Singapore São Paulo Freetown Copenhagen Oslo Zhenjiang Durban (eThekwini) Fuzhou Rome Washington, DC New Orleans Athens Miami Montréal Beijing Guadalajara Portland Seattle Hong Kong Dalian Mexico City

Casablanca Phoenix Qingdao Jakarta Rio de Janeiro Quezon City Warsaw Melbourne Shanghai New York City Quito Tel Aviv – Yafo Dakar Karachi Seoul Sydney Dubai Fortaleza Chennai Houston Medellín Boston Kuala Lumpur Ekurhuleni Rotterdam Accra Chicago San Francisco Philadelphia Lagos Dhaka (North & South) Casablanca Phoenix Qingdao Jakarta Rio de Janeiro Quezon City Warsaw Melbourne Shanghai New York City Quito Tel Aviv – Yafo Dakar Karachi Seoul Sydney Dubai Fortaleza Chennai Houston Medellín Boston Kuala Lumpur Ekurhuleni Rotterdam Accra Chicago San Francisco Philadelphia Lagos Dhaka (North & South)