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

Guangzhou Durban (eThekwini) Athens Barcelona London Copenhagen Fuzhou Abidjan Addis Ababa Hong Kong Sydney San Francisco Curitiba Bangkok Mumbai Cape Town New York City Ekurhuleni Tel Aviv – Yafo Chennai Delhi NCT Paris Philadelphia Istanbul Rome Nanjing Toronto Melbourne Rotterdam Guadalajara Amman Chengdu Bogotá Guangzhou Durban (eThekwini) Athens Barcelona London Copenhagen Fuzhou Abidjan Addis Ababa Hong Kong Sydney San Francisco Curitiba Bangkok Mumbai Cape Town New York City Ekurhuleni Tel Aviv – Yafo Chennai Delhi NCT Paris Philadelphia Istanbul Rome Nanjing Toronto Melbourne Rotterdam Guadalajara Amman Chengdu Bogotá

Portland Shenzhen Madrid Quezon City Boston Phoenix Washington, DC New Orleans Singapore Warsaw Lisbon Seoul Miami São Paulo Nairobi Tshwane Los Angeles Berlin Casablanca Houston Yokohama Mexico City Seattle Buenos Aires Hangzhou Kuala Lumpur Dar es Salaam Stockholm Qingdao Medellín Ahmedabad Karachi Fortaleza Portland Shenzhen Madrid Quezon City Boston Phoenix Washington, DC New Orleans Singapore Warsaw Lisbon Seoul Miami São Paulo Nairobi Tshwane Los Angeles Berlin Casablanca Houston Yokohama Mexico City Seattle Buenos Aires Hangzhou Kuala Lumpur Dar es Salaam Stockholm Qingdao Medellín Ahmedabad Karachi Fortaleza

Dhaka (North & South) Ho Chi Minh City Beijing Santiago Hanoi Shanghai Salvador Dubai Auckland Jakarta Austin Wuhan Freetown Zhenjiang Montréal Milan Bengaluru Vancouver Dakar Chicago Amsterdam Quito Tokyo Accra Oslo Dalian Lima Heidelberg Lagos Rio de Janeiro Johannesburg Dhaka (North & South) Ho Chi Minh City Beijing Santiago Hanoi Shanghai Salvador Dubai Auckland Jakarta Austin Wuhan Freetown Zhenjiang Montréal Milan Bengaluru Vancouver Dakar Chicago Amsterdam Quito Tokyo Accra Oslo Dalian Lima Heidelberg Lagos Rio de Janeiro Johannesburg