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

Washington, DC London Buenos Aires Rome Dalian Portland Istanbul Ekurhuleni Casablanca Kuala Lumpur Warsaw Phoenix Milan Boston Zhenjiang Karachi Addis Ababa Vancouver Guadalajara Guangzhou Amman Santiago Sydney Dhaka (North & South) Tel Aviv – Yafo Chicago Stockholm Chennai Accra Jakarta Dakar Hanoi Los Angeles Washington, DC London Buenos Aires Rome Dalian Portland Istanbul Ekurhuleni Casablanca Kuala Lumpur Warsaw Phoenix Milan Boston Zhenjiang Karachi Addis Ababa Vancouver Guadalajara Guangzhou Amman Santiago Sydney Dhaka (North & South) Tel Aviv – Yafo Chicago Stockholm Chennai Accra Jakarta Dakar Hanoi Los Angeles

Hong Kong Seoul New Orleans Houston Montréal Cape Town Tshwane Shenzhen Shanghai Mumbai Ho Chi Minh City São Paulo Melbourne Copenhagen Dar es Salaam Lagos Wuhan Lima Abidjan Bogotá Amsterdam Fortaleza Rotterdam Berlin Chengdu Johannesburg Qingdao Freetown Oslo Paris Toronto Philadelphia Nanjing Hong Kong Seoul New Orleans Houston Montréal Cape Town Tshwane Shenzhen Shanghai Mumbai Ho Chi Minh City São Paulo Melbourne Copenhagen Dar es Salaam Lagos Wuhan Lima Abidjan Bogotá Amsterdam Fortaleza Rotterdam Berlin Chengdu Johannesburg Qingdao Freetown Oslo Paris Toronto Philadelphia Nanjing

Seattle Salvador Curitiba Nairobi Durban (eThekwini) Quezon City Beijing Bengaluru Dubai Bangkok Ahmedabad Delhi NCT Hangzhou Auckland Rio de Janeiro New York City Fuzhou Lisbon Madrid Barcelona Heidelberg Mexico City San Francisco Medellín Yokohama Singapore Austin Tokyo Athens Quito Miami Seattle Salvador Curitiba Nairobi Durban (eThekwini) Quezon City Beijing Bengaluru Dubai Bangkok Ahmedabad Delhi NCT Hangzhou Auckland Rio de Janeiro New York City Fuzhou Lisbon Madrid Barcelona Heidelberg Mexico City San Francisco Medellín Yokohama Singapore Austin Tokyo Athens Quito Miami