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

Montréal Dar es Salaam Auckland Salvador Durban (eThekwini) Lima Ho Chi Minh City Mexico City Vancouver Tshwane Chicago Mumbai Ekurhuleni Hangzhou Istanbul Hong Kong Houston Seoul Kuala Lumpur San Francisco Wuhan Bogotá Paris Rome Curitiba Stockholm Guangzhou Quito New York City Barcelona Accra Berlin Medellín Montréal Dar es Salaam Auckland Salvador Durban (eThekwini) Lima Ho Chi Minh City Mexico City Vancouver Tshwane Chicago Mumbai Ekurhuleni Hangzhou Istanbul Hong Kong Houston Seoul Kuala Lumpur San Francisco Wuhan Bogotá Paris Rome Curitiba Stockholm Guangzhou Quito New York City Barcelona Accra Berlin Medellín

Heidelberg Addis Ababa Bengaluru Freetown Dubai Phoenix Casablanca Toronto Sydney Qingdao Dakar Lisbon São Paulo Melbourne Ahmedabad Athens New Orleans Singapore Milan Zhenjiang Rotterdam Chengdu Philadelphia Shanghai Beijing Dalian Boston Fuzhou Buenos Aires Chennai Santiago Warsaw Johannesburg Heidelberg Addis Ababa Bengaluru Freetown Dubai Phoenix Casablanca Toronto Sydney Qingdao Dakar Lisbon São Paulo Melbourne Ahmedabad Athens New Orleans Singapore Milan Zhenjiang Rotterdam Chengdu Philadelphia Shanghai Beijing Dalian Boston Fuzhou Buenos Aires Chennai Santiago Warsaw Johannesburg

Cape Town Seattle Karachi Washington, DC Portland Tel Aviv – Yafo Delhi NCT Fortaleza Bangkok Amman Rio de Janeiro Hanoi Yokohama Copenhagen Guadalajara Jakarta Austin Los Angeles Quezon City London Abidjan Amsterdam Miami Dhaka (North & South) Madrid Lagos Oslo Nairobi Nanjing Shenzhen Tokyo Cape Town Seattle Karachi Washington, DC Portland Tel Aviv – Yafo Delhi NCT Fortaleza Bangkok Amman Rio de Janeiro Hanoi Yokohama Copenhagen Guadalajara Jakarta Austin Los Angeles Quezon City London Abidjan Amsterdam Miami Dhaka (North & South) Madrid Lagos Oslo Nairobi Nanjing Shenzhen Tokyo