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

Kuala Lumpur Miami Freetown Wuhan Milan Barcelona Lisbon Portland Delhi NCT Montréal Qingdao Abidjan São Paulo Vancouver Copenhagen Tel Aviv – Yafo Philadelphia Amsterdam Bangkok Guadalajara Houston Seoul Hangzhou Dar es Salaam Amman Cape Town Auckland New York City Buenos Aires Dalian Chengdu Lagos Dubai Kuala Lumpur Miami Freetown Wuhan Milan Barcelona Lisbon Portland Delhi NCT Montréal Qingdao Abidjan São Paulo Vancouver Copenhagen Tel Aviv – Yafo Philadelphia Amsterdam Bangkok Guadalajara Houston Seoul Hangzhou Dar es Salaam Amman Cape Town Auckland New York City Buenos Aires Dalian Chengdu Lagos Dubai

Rome Austin Ho Chi Minh City Sydney Jakarta Warsaw Washington, DC Berlin Madrid Lima Los Angeles Shenzhen Melbourne Oslo Nairobi Hong Kong Durban (eThekwini) New Orleans Addis Ababa Bengaluru Yokohama Toronto Tshwane Tokyo Athens Boston Rio de Janeiro Karachi Accra San Francisco Medellín Chicago Nanjing Rome Austin Ho Chi Minh City Sydney Jakarta Warsaw Washington, DC Berlin Madrid Lima Los Angeles Shenzhen Melbourne Oslo Nairobi Hong Kong Durban (eThekwini) New Orleans Addis Ababa Bengaluru Yokohama Toronto Tshwane Tokyo Athens Boston Rio de Janeiro Karachi Accra San Francisco Medellín Chicago Nanjing

Rotterdam Zhenjiang Santiago Fortaleza Curitiba Dakar Seattle Salvador Paris London Phoenix Shanghai Johannesburg Stockholm Quezon City Dhaka (North & South) Singapore Hanoi Casablanca Istanbul Chennai Ekurhuleni Heidelberg Bogotá Guangzhou Mexico City Ahmedabad Quito Fuzhou Beijing Mumbai Rotterdam Zhenjiang Santiago Fortaleza Curitiba Dakar Seattle Salvador Paris London Phoenix Shanghai Johannesburg Stockholm Quezon City Dhaka (North & South) Singapore Hanoi Casablanca Istanbul Chennai Ekurhuleni Heidelberg Bogotá Guangzhou Mexico City Ahmedabad Quito Fuzhou Beijing Mumbai