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

Vancouver Kuala Lumpur Nairobi Oslo Qingdao Shenzhen Hong Kong Stockholm Zhenjiang New York City New Orleans Johannesburg Athens Phoenix Fuzhou Chennai Tel Aviv – Yafo Washington, DC Bengaluru Nanjing Mumbai Paris Miami Milan Rome Dar es Salaam Wuhan Delhi NCT Rotterdam Quito Boston Chengdu Berlin Vancouver Kuala Lumpur Nairobi Oslo Qingdao Shenzhen Hong Kong Stockholm Zhenjiang New York City New Orleans Johannesburg Athens Phoenix Fuzhou Chennai Tel Aviv – Yafo Washington, DC Bengaluru Nanjing Mumbai Paris Miami Milan Rome Dar es Salaam Wuhan Delhi NCT Rotterdam Quito Boston Chengdu Berlin

Ahmedabad Freetown Durban (eThekwini) Yokohama Dhaka (North & South) Rio de Janeiro Seoul Portland Montréal São Paulo Bangkok Bogotá Auckland Abidjan Casablanca Barcelona Tshwane Sydney Dalian San Francisco Addis Ababa Toronto Madrid Istanbul Mexico City Buenos Aires Ekurhuleni Philadelphia Ho Chi Minh City Jakarta Seattle Melbourne Cape Town Ahmedabad Freetown Durban (eThekwini) Yokohama Dhaka (North & South) Rio de Janeiro Seoul Portland Montréal São Paulo Bangkok Bogotá Auckland Abidjan Casablanca Barcelona Tshwane Sydney Dalian San Francisco Addis Ababa Toronto Madrid Istanbul Mexico City Buenos Aires Ekurhuleni Philadelphia Ho Chi Minh City Jakarta Seattle Melbourne Cape Town

Heidelberg Guadalajara Chicago Lima Tokyo Austin Quezon City Los Angeles London Lagos Hanoi Shanghai Amsterdam Lisbon Houston Hangzhou Dubai Fortaleza Medellín Curitiba Warsaw Singapore Copenhagen Guangzhou Karachi Dakar Salvador Amman Santiago Accra Beijing Heidelberg Guadalajara Chicago Lima Tokyo Austin Quezon City Los Angeles London Lagos Hanoi Shanghai Amsterdam Lisbon Houston Hangzhou Dubai Fortaleza Medellín Curitiba Warsaw Singapore Copenhagen Guangzhou Karachi Dakar Salvador Amman Santiago Accra Beijing