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

Madrid Casablanca Zhenjiang Santiago Dakar Dalian Delhi NCT New York City Ahmedabad Copenhagen Portland Rotterdam Salvador Melbourne Berlin Dhaka (North & South) Phoenix Hanoi Rio de Janeiro Amsterdam Boston Philadelphia Sydney Dar es Salaam Athens São Paulo Stockholm Cape Town Accra Singapore Lisbon Guangzhou Bengaluru Madrid Casablanca Zhenjiang Santiago Dakar Dalian Delhi NCT New York City Ahmedabad Copenhagen Portland Rotterdam Salvador Melbourne Berlin Dhaka (North & South) Phoenix Hanoi Rio de Janeiro Amsterdam Boston Philadelphia Sydney Dar es Salaam Athens São Paulo Stockholm Cape Town Accra Singapore Lisbon Guangzhou Bengaluru

Qingdao Paris Lagos Austin New Orleans Montréal Istanbul Seoul Jakarta Guadalajara Mexico City Quito Bangkok Ekurhuleni Bogotá Hangzhou Tshwane Beijing Milan Amman Fortaleza Nanjing Nairobi Curitiba Johannesburg Wuhan Hong Kong Lima Rome Seattle Tokyo Durban (eThekwini) Miami Qingdao Paris Lagos Austin New Orleans Montréal Istanbul Seoul Jakarta Guadalajara Mexico City Quito Bangkok Ekurhuleni Bogotá Hangzhou Tshwane Beijing Milan Amman Fortaleza Nanjing Nairobi Curitiba Johannesburg Wuhan Hong Kong Lima Rome Seattle Tokyo Durban (eThekwini) Miami

Auckland Shenzhen London Abidjan Heidelberg Buenos Aires Mumbai Chengdu Oslo Houston Washington, DC Freetown Kuala Lumpur Ho Chi Minh City Chicago San Francisco Quezon City Dubai Karachi Tel Aviv – Yafo Los Angeles Warsaw Shanghai Addis Ababa Fuzhou Toronto Medellín Yokohama Chennai Vancouver Barcelona Auckland Shenzhen London Abidjan Heidelberg Buenos Aires Mumbai Chengdu Oslo Houston Washington, DC Freetown Kuala Lumpur Ho Chi Minh City Chicago San Francisco Quezon City Dubai Karachi Tel Aviv – Yafo Los Angeles Warsaw Shanghai Addis Ababa Fuzhou Toronto Medellín Yokohama Chennai Vancouver Barcelona