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 Qingdao Rio de Janeiro Quezon City Jakarta Stockholm Oslo Chennai Tokyo Chengdu Casablanca Medellín Bogotá Dubai Seattle Philadelphia Guadalajara Ahmedabad Rome Mumbai Shenzhen Curitiba Freetown Chicago Madrid Tel Aviv – Yafo New Orleans Bangkok Miami Salvador Ekurhuleni Amsterdam Beijing Delhi NCT Qingdao Rio de Janeiro Quezon City Jakarta Stockholm Oslo Chennai Tokyo Chengdu Casablanca Medellín Bogotá Dubai Seattle Philadelphia Guadalajara Ahmedabad Rome Mumbai Shenzhen Curitiba Freetown Chicago Madrid Tel Aviv – Yafo New Orleans Bangkok Miami Salvador Ekurhuleni Amsterdam Beijing

Milan Wuhan Istanbul Barcelona Rotterdam Mexico City Tshwane Amman Athens Melbourne Hanoi Lisbon Durban (eThekwini) Seoul Heidelberg Bengaluru Dar es Salaam Cape Town Guangzhou Houston Accra Warsaw Santiago Shanghai Phoenix San Francisco Montréal São Paulo Zhenjiang Lagos Vancouver Nairobi Yokohama Milan Wuhan Istanbul Barcelona Rotterdam Mexico City Tshwane Amman Athens Melbourne Hanoi Lisbon Durban (eThekwini) Seoul Heidelberg Bengaluru Dar es Salaam Cape Town Guangzhou Houston Accra Warsaw Santiago Shanghai Phoenix San Francisco Montréal São Paulo Zhenjiang Lagos Vancouver Nairobi Yokohama

Addis Ababa Austin Copenhagen Buenos Aires Fortaleza Paris Boston Quito Abidjan Auckland Hangzhou New York City Ho Chi Minh City Washington, DC Fuzhou Portland Kuala Lumpur Singapore Sydney Dhaka (North & South) London Hong Kong Johannesburg Toronto Los Angeles Dalian Berlin Dakar Nanjing Karachi Lima Addis Ababa Austin Copenhagen Buenos Aires Fortaleza Paris Boston Quito Abidjan Auckland Hangzhou New York City Ho Chi Minh City Washington, DC Fuzhou Portland Kuala Lumpur Singapore Sydney Dhaka (North & South) London Hong Kong Johannesburg Toronto Los Angeles Dalian Berlin Dakar Nanjing Karachi Lima