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

Milan London Rotterdam Singapore Dar es Salaam Chengdu Amman Shanghai Bangkok Guangzhou Dhaka (North & South) Guadalajara Tshwane Lima Los Angeles Sydney Shenzhen Casablanca Cape Town Vancouver Phoenix Durban (eThekwini) Boston Bogotá Tel Aviv – Yafo Portland Medellín Dakar San Francisco Curitiba Dalian Quezon City Copenhagen Milan London Rotterdam Singapore Dar es Salaam Chengdu Amman Shanghai Bangkok Guangzhou Dhaka (North & South) Guadalajara Tshwane Lima Los Angeles Sydney Shenzhen Casablanca Cape Town Vancouver Phoenix Durban (eThekwini) Boston Bogotá Tel Aviv – Yafo Portland Medellín Dakar San Francisco Curitiba Dalian Quezon City Copenhagen

Seattle Mexico City Jakarta Nanjing Miami Tokyo Bengaluru Nairobi Philadelphia Ekurhuleni Melbourne Quito New Orleans Toronto Mumbai Yokohama Heidelberg Seoul Hanoi Houston Accra Hangzhou Dubai Delhi NCT Chicago Kuala Lumpur Ahmedabad Lisbon Rome Madrid Paris Washington, DC Buenos Aires Seattle Mexico City Jakarta Nanjing Miami Tokyo Bengaluru Nairobi Philadelphia Ekurhuleni Melbourne Quito New Orleans Toronto Mumbai Yokohama Heidelberg Seoul Hanoi Houston Accra Hangzhou Dubai Delhi NCT Chicago Kuala Lumpur Ahmedabad Lisbon Rome Madrid Paris Washington, DC Buenos Aires

Stockholm Santiago Oslo Fuzhou Abidjan Karachi Fortaleza Ho Chi Minh City Qingdao New York City Amsterdam Athens Lagos Zhenjiang Hong Kong Warsaw Freetown Rio de Janeiro Johannesburg São Paulo Istanbul Addis Ababa Chennai Barcelona Wuhan Berlin Austin Auckland Salvador Beijing Montréal Stockholm Santiago Oslo Fuzhou Abidjan Karachi Fortaleza Ho Chi Minh City Qingdao New York City Amsterdam Athens Lagos Zhenjiang Hong Kong Warsaw Freetown Rio de Janeiro Johannesburg São Paulo Istanbul Addis Ababa Chennai Barcelona Wuhan Berlin Austin Auckland Salvador Beijing Montréal