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

Dhaka (North & South) Ahmedabad Oslo Rotterdam Cape Town Auckland Stockholm San Francisco Medellín Milan Shenzhen Tel Aviv – Yafo Toronto Curitiba Heidelberg Johannesburg Sydney Durban (eThekwini) Mexico City Portland Wuhan Montréal Ekurhuleni Yokohama Amsterdam Zhenjiang Chennai Fuzhou Lima Buenos Aires Miami Nairobi Dhaka (North & South) Ahmedabad Oslo Rotterdam Cape Town Auckland Stockholm San Francisco Medellín Milan Shenzhen Tel Aviv – Yafo Toronto Curitiba Heidelberg Johannesburg Sydney Durban (eThekwini) Mexico City Portland Wuhan Montréal Ekurhuleni Yokohama Amsterdam Zhenjiang Chennai Fuzhou Lima Buenos Aires Miami Nairobi

Boston Vancouver Quito Shanghai Warsaw Karachi Jakarta Delhi NCT Abidjan Nanjing Guadalajara Philadelphia New York City Ho Chi Minh City Accra Hanoi Barcelona Amman Dakar Istanbul Freetown Bengaluru Athens Paris Santiago Melbourne Dalian Madrid Guangzhou Seattle Qingdao Kolkata Boston Vancouver Quito Shanghai Warsaw Karachi Jakarta Delhi NCT Abidjan Nanjing Guadalajara Philadelphia New York City Ho Chi Minh City Accra Hanoi Barcelona Amman Dakar Istanbul Freetown Bengaluru Athens Paris Santiago Melbourne Dalian Madrid Guangzhou Seattle Qingdao Kolkata

São Paulo Chicago Seoul Hangzhou Salvador Lisbon Bangkok Houston Dar es Salaam Washington, DC Quezon City Dubai Bogotá Phoenix Lagos Tokyo Los Angeles Kuala Lumpur Rio de Janeiro Addis Ababa Tshwane Mumbai Rome Singapore Hong Kong London Austin New Orleans Berlin Chengdu Copenhagen Beijing São Paulo Chicago Seoul Hangzhou Salvador Lisbon Bangkok Houston Dar es Salaam Washington, DC Quezon City Dubai Bogotá Phoenix Lagos Tokyo Los Angeles Kuala Lumpur Rio de Janeiro Addis Ababa Tshwane Mumbai Rome Singapore Hong Kong London Austin New Orleans Berlin Chengdu Copenhagen Beijing