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

São Paulo Lima Karachi Seattle Yokohama Stockholm Qingdao Quito Toronto Sydney Curitiba Hanoi Seoul Jakarta Bogotá Dubai Addis Ababa San Francisco Beijing Fuzhou Abidjan Nanjing Chengdu Tel Aviv – Yafo Lisbon Ahmedabad Guangzhou Rotterdam Vancouver Heidelberg Oslo Fortaleza Bengaluru São Paulo Lima Karachi Seattle Yokohama Stockholm Qingdao Quito Toronto Sydney Curitiba Hanoi Seoul Jakarta Bogotá Dubai Addis Ababa San Francisco Beijing Fuzhou Abidjan Nanjing Chengdu Tel Aviv – Yafo Lisbon Ahmedabad Guangzhou Rotterdam Vancouver Heidelberg Oslo Fortaleza Bengaluru

Medellín Istanbul Dhaka (North & South) Guadalajara Salvador Ho Chi Minh City Tokyo Chicago Philadelphia Dalian Montréal Santiago Casablanca Houston Johannesburg Singapore Freetown Auckland Boston Kuala Lumpur Shenzhen Dar es Salaam Amsterdam Buenos Aires Amman Mumbai Miami Hangzhou Paris New York City Accra Copenhagen Mexico City Medellín Istanbul Dhaka (North & South) Guadalajara Salvador Ho Chi Minh City Tokyo Chicago Philadelphia Dalian Montréal Santiago Casablanca Houston Johannesburg Singapore Freetown Auckland Boston Kuala Lumpur Shenzhen Dar es Salaam Amsterdam Buenos Aires Amman Mumbai Miami Hangzhou Paris New York City Accra Copenhagen Mexico City

Durban (eThekwini) Austin Madrid Quezon City Wuhan Barcelona Delhi NCT London Ekurhuleni Hong Kong Rio de Janeiro Shanghai Bangkok Nairobi Rome Phoenix Milan New Orleans Berlin Zhenjiang Washington, DC Dakar Athens Cape Town Warsaw Tshwane Los Angeles Melbourne Portland Chennai Lagos Durban (eThekwini) Austin Madrid Quezon City Wuhan Barcelona Delhi NCT London Ekurhuleni Hong Kong Rio de Janeiro Shanghai Bangkok Nairobi Rome Phoenix Milan New Orleans Berlin Zhenjiang Washington, DC Dakar Athens Cape Town Warsaw Tshwane Los Angeles Melbourne Portland Chennai Lagos