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

Heidelberg Quezon City Chennai Madrid Medellín Santiago Seattle Fortaleza Vancouver Tokyo Bogotá Houston Chicago Copenhagen Melbourne Rome Singapore Freetown Zhenjiang Athens Mumbai Quito Guadalajara Kuala Lumpur Phoenix Tel Aviv – Yafo Buenos Aires Dhaka (North & South) Nanjing Ahmedabad Rotterdam Salvador Amsterdam Heidelberg Quezon City Chennai Madrid Medellín Santiago Seattle Fortaleza Vancouver Tokyo Bogotá Houston Chicago Copenhagen Melbourne Rome Singapore Freetown Zhenjiang Athens Mumbai Quito Guadalajara Kuala Lumpur Phoenix Tel Aviv – Yafo Buenos Aires Dhaka (North & South) Nanjing Ahmedabad Rotterdam Salvador Amsterdam

Washington, DC London Dakar Chengdu New York City Sydney Hong Kong Durban (eThekwini) Montréal Dalian Mexico City Shenzhen Yokohama Abidjan Karachi Delhi NCT Austin Nairobi Hanoi Hangzhou New Orleans Lima Dar es Salaam Addis Ababa Curitiba Jakarta Barcelona Oslo Warsaw Miami Lisbon Tshwane Seoul Washington, DC London Dakar Chengdu New York City Sydney Hong Kong Durban (eThekwini) Montréal Dalian Mexico City Shenzhen Yokohama Abidjan Karachi Delhi NCT Austin Nairobi Hanoi Hangzhou New Orleans Lima Dar es Salaam Addis Ababa Curitiba Jakarta Barcelona Oslo Warsaw Miami Lisbon Tshwane Seoul

Boston Milan São Paulo Qingdao Amman Rio de Janeiro Shanghai Berlin Toronto Accra Stockholm Lagos San Francisco Philadelphia Auckland Bengaluru Beijing Fuzhou Wuhan Casablanca Ekurhuleni Cape Town Guangzhou Istanbul Dubai Los Angeles Johannesburg Portland Ho Chi Minh City Paris Bangkok Boston Milan São Paulo Qingdao Amman Rio de Janeiro Shanghai Berlin Toronto Accra Stockholm Lagos San Francisco Philadelphia Auckland Bengaluru Beijing Fuzhou Wuhan Casablanca Ekurhuleni Cape Town Guangzhou Istanbul Dubai Los Angeles Johannesburg Portland Ho Chi Minh City Paris Bangkok