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

Berlin Chengdu New York City Mexico City Dalian Boston Ho Chi Minh City Karachi Wuhan Philadelphia Jakarta Guangzhou Paris Nanjing Ekurhuleni Nairobi Copenhagen Bangkok Dakar Fortaleza Abidjan Accra Heidelberg San Francisco Stockholm Medellín Milan Lagos Dhaka (North & South) Guadalajara Cape Town Rio de Janeiro Berlin Chengdu New York City Mexico City Dalian Boston Ho Chi Minh City Karachi Wuhan Philadelphia Jakarta Guangzhou Paris Nanjing Ekurhuleni Nairobi Copenhagen Bangkok Dakar Fortaleza Abidjan Accra Heidelberg San Francisco Stockholm Medellín Milan Lagos Dhaka (North & South) Guadalajara Cape Town Rio de Janeiro

Athens Lisbon Zhenjiang Addis Ababa Fuzhou Toronto Santiago New Orleans Sydney Chicago Portland London Shanghai Rotterdam Quezon City Amsterdam Qingdao Seoul Barcelona Auckland Montréal Beijing Miami Delhi NCT Salvador Kuala Lumpur Istanbul Durban (eThekwini) Hanoi Tel Aviv – Yafo Warsaw Austin Athens Lisbon Zhenjiang Addis Ababa Fuzhou Toronto Santiago New Orleans Sydney Chicago Portland London Shanghai Rotterdam Quezon City Amsterdam Qingdao Seoul Barcelona Auckland Montréal Beijing Miami Delhi NCT Salvador Kuala Lumpur Istanbul Durban (eThekwini) Hanoi Tel Aviv – Yafo Warsaw Austin

Melbourne São Paulo Houston Bengaluru Phoenix Hangzhou Johannesburg Ahmedabad Bogotá Vancouver Tokyo Hong Kong Curitiba Chennai Yokohama Lima Dubai Oslo Rome Shenzhen Tshwane Singapore Seattle Dar es Salaam Freetown Amman Buenos Aires Quito Washington, DC Madrid Los Angeles Mumbai Melbourne São Paulo Houston Bengaluru Phoenix Hangzhou Johannesburg Ahmedabad Bogotá Vancouver Tokyo Hong Kong Curitiba Chennai Yokohama Lima Dubai Oslo Rome Shenzhen Tshwane Singapore Seattle Dar es Salaam Freetown Amman Buenos Aires Quito Washington, DC Madrid Los Angeles Mumbai