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

Rotterdam Freetown Wuhan Bangkok Copenhagen Stockholm Delhi NCT Karachi Beijing Vancouver Ahmedabad Shanghai Chicago Ekurhuleni Quezon City Dakar Shenzhen Lagos Cape Town Rome Seoul Athens Nairobi Hong Kong Singapore Melbourne Bengaluru Montréal Milan Philadelphia Chengdu Paris Rotterdam Freetown Wuhan Bangkok Copenhagen Stockholm Delhi NCT Karachi Beijing Vancouver Ahmedabad Shanghai Chicago Ekurhuleni Quezon City Dakar Shenzhen Lagos Cape Town Rome Seoul Athens Nairobi Hong Kong Singapore Melbourne Bengaluru Montréal Milan Philadelphia Chengdu Paris

São Paulo Washington, DC Auckland Amman Seattle Guangzhou Jakarta Nanjing Medellín Heidelberg Tokyo London Durban (eThekwini) Oslo San Francisco Fortaleza Abidjan New Orleans Santiago Portland Bogotá Chennai Buenos Aires Accra Madrid Tel Aviv – Yafo New York City Houston Barcelona Austin Tshwane Johannesburg São Paulo Washington, DC Auckland Amman Seattle Guangzhou Jakarta Nanjing Medellín Heidelberg Tokyo London Durban (eThekwini) Oslo San Francisco Fortaleza Abidjan New Orleans Santiago Portland Bogotá Chennai Buenos Aires Accra Madrid Tel Aviv – Yafo New York City Houston Barcelona Austin Tshwane Johannesburg

Sydney Phoenix Toronto Lisbon Dalian Berlin Boston Mexico City Dar es Salaam Istanbul Fuzhou Hanoi Dhaka (North & South) Miami Amsterdam Salvador Curitiba Dubai Mumbai Hangzhou Kuala Lumpur Guadalajara Yokohama Zhenjiang Warsaw Qingdao Los Angeles Lima Ho Chi Minh City Rio de Janeiro Quito Addis Ababa Sydney Phoenix Toronto Lisbon Dalian Berlin Boston Mexico City Dar es Salaam Istanbul Fuzhou Hanoi Dhaka (North & South) Miami Amsterdam Salvador Curitiba Dubai Mumbai Hangzhou Kuala Lumpur Guadalajara Yokohama Zhenjiang Warsaw Qingdao Los Angeles Lima Ho Chi Minh City Rio de Janeiro Quito Addis Ababa