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

Qingdao Delhi NCT Mumbai Johannesburg Lima Tshwane Kolkata Chengdu Nanjing Auckland Addis Ababa Quito Tokyo Jakarta Abidjan Sydney Heidelberg New Orleans San Francisco Rotterdam Singapore Santiago Austin Hanoi Milan Istanbul Phoenix Hangzhou Ho Chi Minh City Berlin Mexico City Vancouver Qingdao Delhi NCT Mumbai Johannesburg Lima Tshwane Kolkata Chengdu Nanjing Auckland Addis Ababa Quito Tokyo Jakarta Abidjan Sydney Heidelberg New Orleans San Francisco Rotterdam Singapore Santiago Austin Hanoi Milan Istanbul Phoenix Hangzhou Ho Chi Minh City Berlin Mexico City Vancouver

Copenhagen London Guadalajara Tel Aviv – Yafo Medellín New York City Chicago Dhaka (North & South) Rio de Janeiro Beijing Zhenjiang Seattle Salvador Buenos Aires Durban (eThekwini) Madrid Dalian Curitiba Nairobi Warsaw Amman Montréal São Paulo Lisbon Athens Toronto Houston Barcelona Yokohama Wuhan Chennai Bangkok Copenhagen London Guadalajara Tel Aviv – Yafo Medellín New York City Chicago Dhaka (North & South) Rio de Janeiro Beijing Zhenjiang Seattle Salvador Buenos Aires Durban (eThekwini) Madrid Dalian Curitiba Nairobi Warsaw Amman Montréal São Paulo Lisbon Athens Toronto Houston Barcelona Yokohama Wuhan Chennai Bangkok

Miami Bengaluru Rome Dar es Salaam Accra Los Angeles Kuala Lumpur Freetown Lagos Seoul Boston Ahmedabad Dubai Cape Town Hong Kong Washington, DC Paris Shenzhen Stockholm Melbourne Oslo Guangzhou Dakar Fuzhou Amsterdam Portland Ekurhuleni Shanghai Bogotá Philadelphia Karachi Quezon City Miami Bengaluru Rome Dar es Salaam Accra Los Angeles Kuala Lumpur Freetown Lagos Seoul Boston Ahmedabad Dubai Cape Town Hong Kong Washington, DC Paris Shenzhen Stockholm Melbourne Oslo Guangzhou Dakar Fuzhou Amsterdam Portland Ekurhuleni Shanghai Bogotá Philadelphia Karachi Quezon City