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

Heidelberg Delhi NCT Portland Phoenix Durban (eThekwini) Sydney Amman Beijing Chicago Cape Town Johannesburg Abidjan Ahmedabad London Hanoi Salvador Bangkok Auckland Guadalajara Dubai Dar es Salaam Paris Tel Aviv – Yafo Melbourne Buenos Aires Stockholm Santiago Accra Dakar Quezon City Dalian Hong Kong Mexico City Heidelberg Delhi NCT Portland Phoenix Durban (eThekwini) Sydney Amman Beijing Chicago Cape Town Johannesburg Abidjan Ahmedabad London Hanoi Salvador Bangkok Auckland Guadalajara Dubai Dar es Salaam Paris Tel Aviv – Yafo Melbourne Buenos Aires Stockholm Santiago Accra Dakar Quezon City Dalian Hong Kong Mexico City

Montréal New Orleans Rio de Janeiro Chennai Milan Rome Boston Madrid Yokohama Karachi Quito Vancouver Miami Zhenjiang Lagos Wuhan Hangzhou Washington, DC Austin Warsaw Tshwane Athens Shanghai Rotterdam Istanbul Singapore Chengdu Bogotá Casablanca Lisbon Shenzhen Berlin Medellín Montréal New Orleans Rio de Janeiro Chennai Milan Rome Boston Madrid Yokohama Karachi Quito Vancouver Miami Zhenjiang Lagos Wuhan Hangzhou Washington, DC Austin Warsaw Tshwane Athens Shanghai Rotterdam Istanbul Singapore Chengdu Bogotá Casablanca Lisbon Shenzhen Berlin Medellín

Fuzhou Dhaka (North & South) Lima Seattle Philadelphia Amsterdam Ho Chi Minh City Seoul Curitiba Los Angeles Houston Freetown Copenhagen Guangzhou Addis Ababa Qingdao Oslo Ekurhuleni Mumbai New York City Jakarta São Paulo Tokyo Nanjing Nairobi Fortaleza Kuala Lumpur Barcelona San Francisco Toronto Bengaluru Fuzhou Dhaka (North & South) Lima Seattle Philadelphia Amsterdam Ho Chi Minh City Seoul Curitiba Los Angeles Houston Freetown Copenhagen Guangzhou Addis Ababa Qingdao Oslo Ekurhuleni Mumbai New York City Jakarta São Paulo Tokyo Nanjing Nairobi Fortaleza Kuala Lumpur Barcelona San Francisco Toronto Bengaluru