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

Portland Accra Amman Philadelphia Dubai Boston Freetown Berlin Heidelberg Houston Jakarta Los Angeles Quito Athens Beijing Oslo Amsterdam Warsaw Melbourne Addis Ababa Quezon City Copenhagen Sydney Chicago Rio de Janeiro Bengaluru Vancouver São Paulo Hangzhou Fuzhou Medellín Qingdao Dar es Salaam Portland Accra Amman Philadelphia Dubai Boston Freetown Berlin Heidelberg Houston Jakarta Los Angeles Quito Athens Beijing Oslo Amsterdam Warsaw Melbourne Addis Ababa Quezon City Copenhagen Sydney Chicago Rio de Janeiro Bengaluru Vancouver São Paulo Hangzhou Fuzhou Medellín Qingdao Dar es Salaam

Hong Kong Guangzhou Buenos Aires Stockholm Rotterdam Lagos Seoul Guadalajara Rome Phoenix Lisbon Cape Town Wuhan Johannesburg Delhi NCT Santiago Chennai Kuala Lumpur San Francisco Nanjing New York City Bangkok Casablanca Mexico City Austin Karachi Auckland Washington, DC Miami Dalian Ho Chi Minh City Shanghai Lima Hong Kong Guangzhou Buenos Aires Stockholm Rotterdam Lagos Seoul Guadalajara Rome Phoenix Lisbon Cape Town Wuhan Johannesburg Delhi NCT Santiago Chennai Kuala Lumpur San Francisco Nanjing New York City Bangkok Casablanca Mexico City Austin Karachi Auckland Washington, DC Miami Dalian Ho Chi Minh City Shanghai Lima

Madrid Abidjan Durban (eThekwini) Shenzhen Curitiba Ekurhuleni Toronto Istanbul Ahmedabad Tel Aviv – Yafo Singapore Tokyo Montréal Zhenjiang London Bogotá Fortaleza Seattle Milan New Orleans Chengdu Yokohama Mumbai Tshwane Dhaka (North & South) Salvador Barcelona Dakar Nairobi Hanoi Paris Madrid Abidjan Durban (eThekwini) Shenzhen Curitiba Ekurhuleni Toronto Istanbul Ahmedabad Tel Aviv – Yafo Singapore Tokyo Montréal Zhenjiang London Bogotá Fortaleza Seattle Milan New Orleans Chengdu Yokohama Mumbai Tshwane Dhaka (North & South) Salvador Barcelona Dakar Nairobi Hanoi Paris