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

Cape Town Jakarta Montréal Portland Los Angeles Philadelphia Beijing Addis Ababa Warsaw Hangzhou Miami Rotterdam Sydney Shanghai Lima Karachi Seattle Copenhagen Hong Kong Austin Phoenix Casablanca Washington, DC Fuzhou Qingdao Tel Aviv – Yafo Abidjan Dar es Salaam Mumbai Salvador Buenos Aires Bangkok Delhi NCT Cape Town Jakarta Montréal Portland Los Angeles Philadelphia Beijing Addis Ababa Warsaw Hangzhou Miami Rotterdam Sydney Shanghai Lima Karachi Seattle Copenhagen Hong Kong Austin Phoenix Casablanca Washington, DC Fuzhou Qingdao Tel Aviv – Yafo Abidjan Dar es Salaam Mumbai Salvador Buenos Aires Bangkok Delhi NCT

Vancouver Ekurhuleni Lagos Seoul Rome Bengaluru Santiago San Francisco Houston Melbourne Dalian Chengdu Amman Dhaka (North & South) Toronto Quezon City Oslo Wuhan Milan Nairobi Johannesburg Barcelona Medellín Curitiba Dakar Berlin São Paulo Bogotá Quito Dubai Madrid Mexico City Guangzhou Vancouver Ekurhuleni Lagos Seoul Rome Bengaluru Santiago San Francisco Houston Melbourne Dalian Chengdu Amman Dhaka (North & South) Toronto Quezon City Oslo Wuhan Milan Nairobi Johannesburg Barcelona Medellín Curitiba Dakar Berlin São Paulo Bogotá Quito Dubai Madrid Mexico City Guangzhou

Freetown Nanjing Athens Durban (eThekwini) Rio de Janeiro Ahmedabad Chennai Kuala Lumpur Heidelberg Hanoi Amsterdam Tokyo Paris London Boston Stockholm Zhenjiang Guadalajara Istanbul New Orleans Yokohama Fortaleza Ho Chi Minh City Accra Shenzhen Tshwane Lisbon Singapore New York City Chicago Auckland Freetown Nanjing Athens Durban (eThekwini) Rio de Janeiro Ahmedabad Chennai Kuala Lumpur Heidelberg Hanoi Amsterdam Tokyo Paris London Boston Stockholm Zhenjiang Guadalajara Istanbul New Orleans Yokohama Fortaleza Ho Chi Minh City Accra Shenzhen Tshwane Lisbon Singapore New York City Chicago Auckland