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

Portland Dhaka (North & South) Athens Rio de Janeiro Quito Durban (eThekwini) Ekurhuleni Berlin Addis Ababa Karachi Ho Chi Minh City Tokyo Shenzhen Bogotá Jakarta Bengaluru Tshwane Nairobi Hanoi Chicago Qingdao Medellín Seattle Lisbon Amsterdam Stockholm Dakar Chengdu Copenhagen Chennai Nanjing Austin Portland Dhaka (North & South) Athens Rio de Janeiro Quito Durban (eThekwini) Ekurhuleni Berlin Addis Ababa Karachi Ho Chi Minh City Tokyo Shenzhen Bogotá Jakarta Bengaluru Tshwane Nairobi Hanoi Chicago Qingdao Medellín Seattle Lisbon Amsterdam Stockholm Dakar Chengdu Copenhagen Chennai Nanjing Austin

Miami Kuala Lumpur Fortaleza Tel Aviv – Yafo Ahmedabad Heidelberg Freetown Warsaw Accra São Paulo Wuhan Santiago Quezon City Buenos Aires Houston New Orleans Los Angeles Zhenjiang Milan Auckland Mexico City London Sydney Guadalajara Dubai New York City Shanghai Montréal Cape Town Dar es Salaam Rome Delhi NCT Miami Kuala Lumpur Fortaleza Tel Aviv – Yafo Ahmedabad Heidelberg Freetown Warsaw Accra São Paulo Wuhan Santiago Quezon City Buenos Aires Houston New Orleans Los Angeles Zhenjiang Milan Auckland Mexico City London Sydney Guadalajara Dubai New York City Shanghai Montréal Cape Town Dar es Salaam Rome Delhi NCT

Lima Phoenix Hangzhou Madrid Johannesburg Oslo Paris Lagos Philadelphia Bangkok Hong Kong Beijing Abidjan Curitiba Fuzhou Salvador Mumbai Dalian Washington, DC Melbourne Singapore Amman Guangzhou Istanbul San Francisco Seoul Rotterdam Barcelona Vancouver Toronto Yokohama Boston Lima Phoenix Hangzhou Madrid Johannesburg Oslo Paris Lagos Philadelphia Bangkok Hong Kong Beijing Abidjan Curitiba Fuzhou Salvador Mumbai Dalian Washington, DC Melbourne Singapore Amman Guangzhou Istanbul San Francisco Seoul Rotterdam Barcelona Vancouver Toronto Yokohama Boston