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

Freetown Portland Hanoi Melbourne Tokyo Dalian Bangkok Madrid Istanbul Nanjing Oslo Nairobi São Paulo Casablanca Amsterdam Copenhagen Auckland Tel Aviv – Yafo Chengdu Bogotá Abidjan New Orleans Buenos Aires Delhi NCT Dubai Toronto Mumbai Lisbon London Guangzhou Sydney Bengaluru Vancouver Freetown Portland Hanoi Melbourne Tokyo Dalian Bangkok Madrid Istanbul Nanjing Oslo Nairobi São Paulo Casablanca Amsterdam Copenhagen Auckland Tel Aviv – Yafo Chengdu Bogotá Abidjan New Orleans Buenos Aires Delhi NCT Dubai Toronto Mumbai Lisbon London Guangzhou Sydney Bengaluru Vancouver

Heidelberg New York City Stockholm Curitiba Lima Wuhan Yokohama Mexico City Fuzhou Hangzhou Ahmedabad Washington, DC Montréal Tshwane Quezon City Barcelona Singapore Salvador Lagos Berlin Athens Jakarta Guadalajara Rome Qingdao Beijing Warsaw Dar es Salaam Dakar Zhenjiang Boston Milan San Francisco Heidelberg New York City Stockholm Curitiba Lima Wuhan Yokohama Mexico City Fuzhou Hangzhou Ahmedabad Washington, DC Montréal Tshwane Quezon City Barcelona Singapore Salvador Lagos Berlin Athens Jakarta Guadalajara Rome Qingdao Beijing Warsaw Dar es Salaam Dakar Zhenjiang Boston Milan San Francisco

Shanghai Los Angeles Ekurhuleni Shenzhen Rotterdam Philadelphia Quito Johannesburg Kuala Lumpur Chennai Austin Ho Chi Minh City Seoul Dhaka (North & South) Fortaleza Addis Ababa Seattle Hong Kong Rio de Janeiro Cape Town Phoenix Houston Miami Medellín Amman Durban (eThekwini) Karachi Santiago Accra Chicago Paris Shanghai Los Angeles Ekurhuleni Shenzhen Rotterdam Philadelphia Quito Johannesburg Kuala Lumpur Chennai Austin Ho Chi Minh City Seoul Dhaka (North & South) Fortaleza Addis Ababa Seattle Hong Kong Rio de Janeiro Cape Town Phoenix Houston Miami Medellín Amman Durban (eThekwini) Karachi Santiago Accra Chicago Paris