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

Sydney São Paulo Copenhagen Fuzhou Dakar Nairobi Guadalajara Amsterdam Buenos Aires Bengaluru Ahmedabad Shanghai New Orleans Johannesburg Qingdao Auckland Montréal Istanbul Boston Amman Miami Houston Tshwane Ho Chi Minh City Singapore Lagos Warsaw Dubai Kuala Lumpur Tokyo Lima Shenzhen Chengdu Sydney São Paulo Copenhagen Fuzhou Dakar Nairobi Guadalajara Amsterdam Buenos Aires Bengaluru Ahmedabad Shanghai New Orleans Johannesburg Qingdao Auckland Montréal Istanbul Boston Amman Miami Houston Tshwane Ho Chi Minh City Singapore Lagos Warsaw Dubai Kuala Lumpur Tokyo Lima Shenzhen Chengdu

Barcelona Stockholm Paris Rome Philadelphia Dhaka (North & South) Seattle Freetown Quito Accra Medellín New York City Zhenjiang Mexico City Heidelberg Nanjing Milan Karachi Berlin Oslo Curitiba Melbourne Phoenix Bogotá Seoul Casablanca Dalian Quezon City Santiago Vancouver Ekurhuleni San Francisco Washington, DC Barcelona Stockholm Paris Rome Philadelphia Dhaka (North & South) Seattle Freetown Quito Accra Medellín New York City Zhenjiang Mexico City Heidelberg Nanjing Milan Karachi Berlin Oslo Curitiba Melbourne Phoenix Bogotá Seoul Casablanca Dalian Quezon City Santiago Vancouver Ekurhuleni San Francisco Washington, DC

Yokohama Wuhan Bangkok Salvador Rotterdam Hanoi Los Angeles Guangzhou Fortaleza Jakarta London Madrid Dar es Salaam Chicago Athens Toronto Delhi NCT Austin Cape Town Beijing Durban (eThekwini) Hangzhou Abidjan Chennai Portland Rio de Janeiro Mumbai Addis Ababa Lisbon Hong Kong Tel Aviv – Yafo Yokohama Wuhan Bangkok Salvador Rotterdam Hanoi Los Angeles Guangzhou Fortaleza Jakarta London Madrid Dar es Salaam Chicago Athens Toronto Delhi NCT Austin Cape Town Beijing Durban (eThekwini) Hangzhou Abidjan Chennai Portland Rio de Janeiro Mumbai Addis Ababa Lisbon Hong Kong Tel Aviv – Yafo