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

Austin Melbourne Boston Chicago Qingdao Mexico City Bangkok Rome Sydney Nanjing Yokohama Bengaluru Toronto Zhenjiang Tokyo Auckland Lisbon Phoenix Lagos Guadalajara Montréal Dhaka (North & South) Vancouver Medellín Karachi Fortaleza Portland Wuhan Ahmedabad Chengdu Ho Chi Minh City Philadelphia Austin Melbourne Boston Chicago Qingdao Mexico City Bangkok Rome Sydney Nanjing Yokohama Bengaluru Toronto Zhenjiang Tokyo Auckland Lisbon Phoenix Lagos Guadalajara Montréal Dhaka (North & South) Vancouver Medellín Karachi Fortaleza Portland Wuhan Ahmedabad Chengdu Ho Chi Minh City Philadelphia

Hanoi Dubai Tshwane Dalian Athens São Paulo Dakar Istanbul Salvador Freetown Guangzhou Los Angeles Jakarta Johannesburg Hong Kong Addis Ababa Cape Town Paris Ekurhuleni Abidjan Quezon City Fuzhou Warsaw Chennai Amman Shanghai Milan Stockholm Washington, DC Copenhagen Amsterdam Quito Hanoi Dubai Tshwane Dalian Athens São Paulo Dakar Istanbul Salvador Freetown Guangzhou Los Angeles Jakarta Johannesburg Hong Kong Addis Ababa Cape Town Paris Ekurhuleni Abidjan Quezon City Fuzhou Warsaw Chennai Amman Shanghai Milan Stockholm Washington, DC Copenhagen Amsterdam Quito

Seattle Madrid Rio de Janeiro Santiago Nairobi Rotterdam Houston Delhi NCT Buenos Aires Mumbai New York City Hangzhou Barcelona Accra Oslo London New Orleans Tel Aviv – Yafo Shenzhen Heidelberg Beijing Singapore San Francisco Kuala Lumpur Miami Lima Bogotá Dar es Salaam Curitiba Durban (eThekwini) Berlin Seoul Seattle Madrid Rio de Janeiro Santiago Nairobi Rotterdam Houston Delhi NCT Buenos Aires Mumbai New York City Hangzhou Barcelona Accra Oslo London New Orleans Tel Aviv – Yafo Shenzhen Heidelberg Beijing Singapore San Francisco Kuala Lumpur Miami Lima Bogotá Dar es Salaam Curitiba Durban (eThekwini) Berlin Seoul