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

Montréal Shanghai Dakar Nairobi Wuhan Karachi Quezon City Delhi NCT Boston Guadalajara Washington, DC Seattle Salvador Addis Ababa Chicago Santiago Accra Fortaleza Lagos Medellín Mexico City London Madrid Toronto Bangkok Paris Curitiba Berlin Dalian Vancouver New Orleans Warsaw Portland Montréal Shanghai Dakar Nairobi Wuhan Karachi Quezon City Delhi NCT Boston Guadalajara Washington, DC Seattle Salvador Addis Ababa Chicago Santiago Accra Fortaleza Lagos Medellín Mexico City London Madrid Toronto Bangkok Paris Curitiba Berlin Dalian Vancouver New Orleans Warsaw Portland

Ekurhuleni Bengaluru Seoul New York City Cape Town Auckland Johannesburg Jakarta Casablanca Tokyo Rio de Janeiro Bogotá Dhaka (North & South) Hangzhou Rotterdam Dar es Salaam Chennai Melbourne Buenos Aires Dubai Tel Aviv – Yafo Chengdu San Francisco Milan Amsterdam Freetown Sydney Athens São Paulo Ho Chi Minh City Hong Kong Amman Oslo Ekurhuleni Bengaluru Seoul New York City Cape Town Auckland Johannesburg Jakarta Casablanca Tokyo Rio de Janeiro Bogotá Dhaka (North & South) Hangzhou Rotterdam Dar es Salaam Chennai Melbourne Buenos Aires Dubai Tel Aviv – Yafo Chengdu San Francisco Milan Amsterdam Freetown Sydney Athens São Paulo Ho Chi Minh City Hong Kong Amman Oslo

Abidjan Singapore Philadelphia Istanbul Houston Lisbon Heidelberg Tshwane Miami Mumbai Durban (eThekwini) Lima Barcelona Ahmedabad Kuala Lumpur Fuzhou Quito Hanoi Guangzhou Yokohama Austin Phoenix Los Angeles Zhenjiang Rome Beijing Nanjing Shenzhen Stockholm Copenhagen Qingdao Abidjan Singapore Philadelphia Istanbul Houston Lisbon Heidelberg Tshwane Miami Mumbai Durban (eThekwini) Lima Barcelona Ahmedabad Kuala Lumpur Fuzhou Quito Hanoi Guangzhou Yokohama Austin Phoenix Los Angeles Zhenjiang Rome Beijing Nanjing Shenzhen Stockholm Copenhagen Qingdao