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

Chennai Ahmedabad New Orleans Lima Bengaluru Oslo Bogotá Nanjing Boston Portland Abidjan Copenhagen Melbourne San Francisco Austin Barcelona Quito São Paulo Seoul Philadelphia Santiago Sydney Phoenix Montréal Bangkok Tshwane Zhenjiang Accra Quezon City Washington, DC Hong Kong Madrid Paris Chennai Ahmedabad New Orleans Lima Bengaluru Oslo Bogotá Nanjing Boston Portland Abidjan Copenhagen Melbourne San Francisco Austin Barcelona Quito São Paulo Seoul Philadelphia Santiago Sydney Phoenix Montréal Bangkok Tshwane Zhenjiang Accra Quezon City Washington, DC Hong Kong Madrid Paris

Amman Wuhan Dalian Durban (eThekwini) Casablanca Toronto Seattle Guadalajara Nairobi Hangzhou Jakarta Dubai Rome Yokohama Tokyo Karachi Cape Town Houston Salvador Dakar Shanghai Rio de Janeiro Ekurhuleni Vancouver Auckland London Delhi NCT Kuala Lumpur Freetown Fuzhou Heidelberg Lagos Curitiba Amman Wuhan Dalian Durban (eThekwini) Casablanca Toronto Seattle Guadalajara Nairobi Hangzhou Jakarta Dubai Rome Yokohama Tokyo Karachi Cape Town Houston Salvador Dakar Shanghai Rio de Janeiro Ekurhuleni Vancouver Auckland London Delhi NCT Kuala Lumpur Freetown Fuzhou Heidelberg Lagos Curitiba

Milan Istanbul Tel Aviv – Yafo Buenos Aires Stockholm Medellín Dhaka (North & South) Beijing Warsaw Berlin New York City Mumbai Chengdu Qingdao Johannesburg Chicago Hanoi Los Angeles Athens Singapore Amsterdam Addis Ababa Miami Fortaleza Guangzhou Shenzhen Mexico City Lisbon Ho Chi Minh City Rotterdam Dar es Salaam Milan Istanbul Tel Aviv – Yafo Buenos Aires Stockholm Medellín Dhaka (North & South) Beijing Warsaw Berlin New York City Mumbai Chengdu Qingdao Johannesburg Chicago Hanoi Los Angeles Athens Singapore Amsterdam Addis Ababa Miami Fortaleza Guangzhou Shenzhen Mexico City Lisbon Ho Chi Minh City Rotterdam Dar es Salaam