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

Tokyo Casablanca Addis Ababa Phoenix Santiago Accra Freetown Fortaleza Berlin Hangzhou Nanjing Delhi NCT Seattle Oslo Jakarta Johannesburg Karachi Nairobi Yokohama San Francisco Beijing Salvador Miami Vancouver Toronto Athens Shanghai Dhaka (North & South) Los Angeles Washington, DC Amsterdam Houston Stockholm Tokyo Casablanca Addis Ababa Phoenix Santiago Accra Freetown Fortaleza Berlin Hangzhou Nanjing Delhi NCT Seattle Oslo Jakarta Johannesburg Karachi Nairobi Yokohama San Francisco Beijing Salvador Miami Vancouver Toronto Athens Shanghai Dhaka (North & South) Los Angeles Washington, DC Amsterdam Houston Stockholm

Shenzhen Hong Kong Buenos Aires Rome Chengdu Zhenjiang New York City Hanoi Dar es Salaam Lagos Ahmedabad Seoul Abidjan Dakar Sydney Cape Town Ekurhuleni Melbourne Quito Ho Chi Minh City Warsaw Mexico City Mumbai Chicago Curitiba Philadelphia Guadalajara London Madrid Kuala Lumpur Chennai Milan Istanbul Shenzhen Hong Kong Buenos Aires Rome Chengdu Zhenjiang New York City Hanoi Dar es Salaam Lagos Ahmedabad Seoul Abidjan Dakar Sydney Cape Town Ekurhuleni Melbourne Quito Ho Chi Minh City Warsaw Mexico City Mumbai Chicago Curitiba Philadelphia Guadalajara London Madrid Kuala Lumpur Chennai Milan Istanbul

Singapore Dalian Rio de Janeiro Paris Medellín Durban (eThekwini) Tshwane Guangzhou New Orleans Auckland Lima Barcelona Fuzhou Austin Bogotá Dubai Boston Bengaluru Copenhagen Quezon City Bangkok São Paulo Heidelberg Qingdao Lisbon Portland Montréal Tel Aviv – Yafo Amman Wuhan Rotterdam Singapore Dalian Rio de Janeiro Paris Medellín Durban (eThekwini) Tshwane Guangzhou New Orleans Auckland Lima Barcelona Fuzhou Austin Bogotá Dubai Boston Bengaluru Copenhagen Quezon City Bangkok São Paulo Heidelberg Qingdao Lisbon Portland Montréal Tel Aviv – Yafo Amman Wuhan Rotterdam