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

Bangkok São Paulo Fortaleza Melbourne Freetown Nanjing Boston Delhi NCT Copenhagen Quezon City Houston Dar es Salaam Abidjan Auckland Bogotá Chengdu Casablanca Berlin Nairobi Santiago Beijing Ahmedabad Ho Chi Minh City Mexico City Rio de Janeiro Shenzhen Medellín Miami Rome Qingdao Paris Sydney Hangzhou Bangkok São Paulo Fortaleza Melbourne Freetown Nanjing Boston Delhi NCT Copenhagen Quezon City Houston Dar es Salaam Abidjan Auckland Bogotá Chengdu Casablanca Berlin Nairobi Santiago Beijing Ahmedabad Ho Chi Minh City Mexico City Rio de Janeiro Shenzhen Medellín Miami Rome Qingdao Paris Sydney Hangzhou

Phoenix Dakar Wuhan Cape Town Los Angeles Fuzhou Seoul Athens Hanoi Quito Washington, DC Guangzhou Mumbai Warsaw Barcelona London Buenos Aires Karachi Jakarta Portland Vancouver Stockholm Amman Austin Lisbon Kuala Lumpur Bengaluru Dubai Madrid Seattle Amsterdam Lagos Philadelphia Phoenix Dakar Wuhan Cape Town Los Angeles Fuzhou Seoul Athens Hanoi Quito Washington, DC Guangzhou Mumbai Warsaw Barcelona London Buenos Aires Karachi Jakarta Portland Vancouver Stockholm Amman Austin Lisbon Kuala Lumpur Bengaluru Dubai Madrid Seattle Amsterdam Lagos Philadelphia

Chennai Oslo Singapore Toronto San Francisco Salvador Dalian Curitiba Chicago Addis Ababa Heidelberg Tshwane Ekurhuleni Yokohama Montréal Tel Aviv – Yafo Shanghai Durban (eThekwini) Rotterdam Tokyo Guadalajara Lima Dhaka (North & South) Accra Milan Johannesburg Zhenjiang Hong Kong New York City Istanbul New Orleans Chennai Oslo Singapore Toronto San Francisco Salvador Dalian Curitiba Chicago Addis Ababa Heidelberg Tshwane Ekurhuleni Yokohama Montréal Tel Aviv – Yafo Shanghai Durban (eThekwini) Rotterdam Tokyo Guadalajara Lima Dhaka (North & South) Accra Milan Johannesburg Zhenjiang Hong Kong New York City Istanbul New Orleans