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

Durban (eThekwini) Houston Chengdu Ho Chi Minh City Dhaka (North & South) Beijing Cape Town Johannesburg Montréal Miami Stockholm Copenhagen Barcelona Hangzhou Santiago Ahmedabad Chennai Rotterdam Nairobi Dubai Phoenix Heidelberg Austin São Paulo Abidjan Tshwane Oslo Auckland Qingdao Amman Delhi NCT Salvador Amsterdam Durban (eThekwini) Houston Chengdu Ho Chi Minh City Dhaka (North & South) Beijing Cape Town Johannesburg Montréal Miami Stockholm Copenhagen Barcelona Hangzhou Santiago Ahmedabad Chennai Rotterdam Nairobi Dubai Phoenix Heidelberg Austin São Paulo Abidjan Tshwane Oslo Auckland Qingdao Amman Delhi NCT Salvador Amsterdam

Milan Chicago Paris Dalian Freetown Mumbai Mexico City Accra Lima San Francisco Addis Ababa Seoul Rome New York City Karachi Melbourne Bangkok Tokyo Curitiba New Orleans Fortaleza Hong Kong Yokohama Quezon City Philadelphia Singapore Berlin Boston London Dakar Jakarta Guangzhou Nanjing Milan Chicago Paris Dalian Freetown Mumbai Mexico City Accra Lima San Francisco Addis Ababa Seoul Rome New York City Karachi Melbourne Bangkok Tokyo Curitiba New Orleans Fortaleza Hong Kong Yokohama Quezon City Philadelphia Singapore Berlin Boston London Dakar Jakarta Guangzhou Nanjing

Hanoi Bengaluru Fuzhou Toronto Lisbon Wuhan Los Angeles Lagos Zhenjiang Vancouver Madrid Istanbul Washington, DC Athens Shanghai Medellín Sydney Warsaw Portland Buenos Aires Quito Ekurhuleni Shenzhen Casablanca Kuala Lumpur Bogotá Seattle Guadalajara Dar es Salaam Tel Aviv – Yafo Rio de Janeiro Hanoi Bengaluru Fuzhou Toronto Lisbon Wuhan Los Angeles Lagos Zhenjiang Vancouver Madrid Istanbul Washington, DC Athens Shanghai Medellín Sydney Warsaw Portland Buenos Aires Quito Ekurhuleni Shenzhen Casablanca Kuala Lumpur Bogotá Seattle Guadalajara Dar es Salaam Tel Aviv – Yafo Rio de Janeiro