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

Chengdu San Francisco Houston Bogotá Tel Aviv – Yafo Seoul Milan Beijing Seattle Salvador Berlin Jakarta Delhi NCT Chicago Sydney Rotterdam Karachi Accra Bangkok Bengaluru Addis Ababa Amman Durban (eThekwini) Chennai Lisbon Stockholm Vancouver Copenhagen Hanoi Singapore Paris New Orleans Miami Chengdu San Francisco Houston Bogotá Tel Aviv – Yafo Seoul Milan Beijing Seattle Salvador Berlin Jakarta Delhi NCT Chicago Sydney Rotterdam Karachi Accra Bangkok Bengaluru Addis Ababa Amman Durban (eThekwini) Chennai Lisbon Stockholm Vancouver Copenhagen Hanoi Singapore Paris New Orleans Miami

Yokohama Phoenix Hong Kong Lagos Mumbai Tokyo Ekurhuleni New York City Nanjing Wuhan Johannesburg Heidelberg Medellín Montréal Abidjan Dakar Auckland Freetown Dar es Salaam Dubai Nairobi Athens São Paulo Rio de Janeiro Shanghai Philadelphia Shenzhen Quito Ho Chi Minh City Tshwane Warsaw Quezon City Rome Yokohama Phoenix Hong Kong Lagos Mumbai Tokyo Ekurhuleni New York City Nanjing Wuhan Johannesburg Heidelberg Medellín Montréal Abidjan Dakar Auckland Freetown Dar es Salaam Dubai Nairobi Athens São Paulo Rio de Janeiro Shanghai Philadelphia Shenzhen Quito Ho Chi Minh City Tshwane Warsaw Quezon City Rome

Casablanca Fortaleza Kuala Lumpur Dalian Fuzhou London Austin Boston Hangzhou Curitiba Qingdao Buenos Aires Washington, DC Guangzhou Madrid Ahmedabad Santiago Los Angeles Istanbul Barcelona Dhaka (North & South) Toronto Lima Mexico City Cape Town Portland Guadalajara Oslo Zhenjiang Melbourne Amsterdam Casablanca Fortaleza Kuala Lumpur Dalian Fuzhou London Austin Boston Hangzhou Curitiba Qingdao Buenos Aires Washington, DC Guangzhou Madrid Ahmedabad Santiago Los Angeles Istanbul Barcelona Dhaka (North & South) Toronto Lima Mexico City Cape Town Portland Guadalajara Oslo Zhenjiang Melbourne Amsterdam