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

Buenos Aires Lisbon Lagos Oslo Warsaw Hangzhou Washington, DC Bogotá Guadalajara Austin Heidelberg Chicago Shenzhen Milan Melbourne Abidjan Kuala Lumpur Rome New Orleans Copenhagen Philadelphia Houston Addis Ababa Fuzhou Dhaka (North & South) Madrid Istanbul Dalian Santiago Freetown São Paulo Yokohama Dubai Buenos Aires Lisbon Lagos Oslo Warsaw Hangzhou Washington, DC Bogotá Guadalajara Austin Heidelberg Chicago Shenzhen Milan Melbourne Abidjan Kuala Lumpur Rome New Orleans Copenhagen Philadelphia Houston Addis Ababa Fuzhou Dhaka (North & South) Madrid Istanbul Dalian Santiago Freetown São Paulo Yokohama Dubai

Cape Town Sydney Toronto Delhi NCT Wuhan Los Angeles Berlin Phoenix Dar es Salaam Bangkok London Hanoi New York City Bengaluru Karachi Ekurhuleni Accra Fortaleza Hong Kong Curitiba Amsterdam Rotterdam Seoul Medellín Tel Aviv – Yafo San Francisco Nairobi Durban (eThekwini) Chennai Amman Tshwane Dakar Athens Cape Town Sydney Toronto Delhi NCT Wuhan Los Angeles Berlin Phoenix Dar es Salaam Bangkok London Hanoi New York City Bengaluru Karachi Ekurhuleni Accra Fortaleza Hong Kong Curitiba Amsterdam Rotterdam Seoul Medellín Tel Aviv – Yafo San Francisco Nairobi Durban (eThekwini) Chennai Amman Tshwane Dakar Athens

Beijing Salvador Lima Seattle Boston Auckland Quezon City Ahmedabad Jakarta Barcelona Stockholm Mexico City Paris Quito Singapore Tokyo Johannesburg Vancouver Guangzhou Chengdu Nanjing Montréal Portland Shanghai Mumbai Ho Chi Minh City Zhenjiang Miami Qingdao Casablanca Rio de Janeiro Beijing Salvador Lima Seattle Boston Auckland Quezon City Ahmedabad Jakarta Barcelona Stockholm Mexico City Paris Quito Singapore Tokyo Johannesburg Vancouver Guangzhou Chengdu Nanjing Montréal Portland Shanghai Mumbai Ho Chi Minh City Zhenjiang Miami Qingdao Casablanca Rio de Janeiro