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

Singapore Ho Chi Minh City Beijing Copenhagen Lima Guadalajara Portland Seoul Guangzhou Vancouver Rotterdam Paris Amman Kolkata Ekurhuleni Austin Dalian London Lisbon Shenzhen Los Angeles Bogotá Wuhan Warsaw Santiago Phoenix Delhi NCT Tokyo Cape Town Montréal Buenos Aires Milan Singapore Ho Chi Minh City Beijing Copenhagen Lima Guadalajara Portland Seoul Guangzhou Vancouver Rotterdam Paris Amman Kolkata Ekurhuleni Austin Dalian London Lisbon Shenzhen Los Angeles Bogotá Wuhan Warsaw Santiago Phoenix Delhi NCT Tokyo Cape Town Montréal Buenos Aires Milan

Heidelberg Houston Lagos Rome Chicago New Orleans Quito Nanjing Stockholm Barcelona Melbourne Chengdu Mexico City Shanghai Amsterdam Oslo Tel Aviv – Yafo Qingdao Rio de Janeiro Washington, DC Madrid San Francisco Berlin Dakar Boston Abidjan Dar es Salaam Miami Dubai Seattle Tshwane Accra Heidelberg Houston Lagos Rome Chicago New Orleans Quito Nanjing Stockholm Barcelona Melbourne Chengdu Mexico City Shanghai Amsterdam Oslo Tel Aviv – Yafo Qingdao Rio de Janeiro Washington, DC Madrid San Francisco Berlin Dakar Boston Abidjan Dar es Salaam Miami Dubai Seattle Tshwane Accra

Addis Ababa Sydney Dhaka (North & South) Nairobi Fuzhou Philadelphia Bangkok Kuala Lumpur Athens Jakarta Freetown Durban (eThekwini) Zhenjiang Auckland Quezon City Hangzhou Ahmedabad São Paulo Chennai Istanbul Curitiba Yokohama Karachi Medellín Hong Kong New York City Bengaluru Toronto Johannesburg Hanoi Salvador Mumbai Addis Ababa Sydney Dhaka (North & South) Nairobi Fuzhou Philadelphia Bangkok Kuala Lumpur Athens Jakarta Freetown Durban (eThekwini) Zhenjiang Auckland Quezon City Hangzhou Ahmedabad São Paulo Chennai Istanbul Curitiba Yokohama Karachi Medellín Hong Kong New York City Bengaluru Toronto Johannesburg Hanoi Salvador Mumbai