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

Copenhagen Seattle Auckland Salvador Karachi Durban (eThekwini) Houston Johannesburg Dubai Guadalajara Portland Bengaluru Miami Wuhan San Francisco Quezon City Los Angeles Madrid Montréal Bogotá Fortaleza Medellín Qingdao Milan São Paulo Singapore New Orleans Chicago Shenzhen Rome Tel Aviv – Yafo Boston Tokyo Copenhagen Seattle Auckland Salvador Karachi Durban (eThekwini) Houston Johannesburg Dubai Guadalajara Portland Bengaluru Miami Wuhan San Francisco Quezon City Los Angeles Madrid Montréal Bogotá Fortaleza Medellín Qingdao Milan São Paulo Singapore New Orleans Chicago Shenzhen Rome Tel Aviv – Yafo Boston Tokyo

Chengdu Ahmedabad Nairobi Nanjing Athens Vancouver Dalian Paris Phoenix London Melbourne Accra Bangkok Warsaw Yokohama Addis Ababa Lagos Toronto Austin Stockholm Hong Kong Lisbon Seoul Tshwane Dhaka (North & South) Dakar Rotterdam Istanbul Washington, DC Freetown Philadelphia Jakarta Hangzhou Chengdu Ahmedabad Nairobi Nanjing Athens Vancouver Dalian Paris Phoenix London Melbourne Accra Bangkok Warsaw Yokohama Addis Ababa Lagos Toronto Austin Stockholm Hong Kong Lisbon Seoul Tshwane Dhaka (North & South) Dakar Rotterdam Istanbul Washington, DC Freetown Philadelphia Jakarta Hangzhou

Heidelberg Dar es Salaam Berlin Amsterdam New York City Amman Delhi NCT Mumbai Ekurhuleni Fuzhou Casablanca Cape Town Santiago Hanoi Oslo Quito Kuala Lumpur Curitiba Ho Chi Minh City Lima Guangzhou Mexico City Barcelona Chennai Abidjan Sydney Zhenjiang Rio de Janeiro Buenos Aires Shanghai Beijing Heidelberg Dar es Salaam Berlin Amsterdam New York City Amman Delhi NCT Mumbai Ekurhuleni Fuzhou Casablanca Cape Town Santiago Hanoi Oslo Quito Kuala Lumpur Curitiba Ho Chi Minh City Lima Guangzhou Mexico City Barcelona Chennai Abidjan Sydney Zhenjiang Rio de Janeiro Buenos Aires Shanghai Beijing