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

Quezon City Vancouver Miami Lisbon Oslo Hanoi Bogotá Auckland Curitiba Beijing Santiago Nairobi Delhi NCT Philadelphia Tokyo Jakarta Addis Ababa Karachi Montréal Berlin Medellín Ahmedabad Durban (eThekwini) San Francisco Ekurhuleni Qingdao Ho Chi Minh City Bangkok Kuala Lumpur Stockholm Phoenix Istanbul Quezon City Vancouver Miami Lisbon Oslo Hanoi Bogotá Auckland Curitiba Beijing Santiago Nairobi Delhi NCT Philadelphia Tokyo Jakarta Addis Ababa Karachi Montréal Berlin Medellín Ahmedabad Durban (eThekwini) San Francisco Ekurhuleni Qingdao Ho Chi Minh City Bangkok Kuala Lumpur Stockholm Phoenix Istanbul

Chicago Seattle Abidjan Lima Seoul Salvador Fuzhou New Orleans Buenos Aires London Dalian Hong Kong Los Angeles Tshwane Mexico City Guangzhou Sydney Bengaluru Rio de Janeiro Wuhan New York City Heidelberg Madrid Portland Melbourne Milan Mumbai Dhaka (North & South) Barcelona Chengdu Houston Shanghai Chicago Seattle Abidjan Lima Seoul Salvador Fuzhou New Orleans Buenos Aires London Dalian Hong Kong Los Angeles Tshwane Mexico City Guangzhou Sydney Bengaluru Rio de Janeiro Wuhan New York City Heidelberg Madrid Portland Melbourne Milan Mumbai Dhaka (North & South) Barcelona Chengdu Houston Shanghai

Paris Cape Town Warsaw Hangzhou Zhenjiang Dubai Tel Aviv – Yafo Guadalajara Accra Quito Nanjing Rome Rotterdam Singapore Freetown Austin Toronto Yokohama Amsterdam Dar es Salaam Dakar Athens Washington, DC São Paulo Johannesburg Kolkata Chennai Boston Lagos Shenzhen Amman Copenhagen Paris Cape Town Warsaw Hangzhou Zhenjiang Dubai Tel Aviv – Yafo Guadalajara Accra Quito Nanjing Rome Rotterdam Singapore Freetown Austin Toronto Yokohama Amsterdam Dar es Salaam Dakar Athens Washington, DC São Paulo Johannesburg Kolkata Chennai Boston Lagos Shenzhen Amman Copenhagen