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

Bogotá Rome Madrid Amman São Paulo Chicago Kuala Lumpur Jakarta Seoul Johannesburg Wuhan Phoenix Tokyo Mexico City Houston Paris New York City Guadalajara Boston Auckland Chennai Chengdu Freetown Shanghai Portland Beijing Karachi Casablanca Ahmedabad Addis Ababa Quito Dar es Salaam Ekurhuleni Bogotá Rome Madrid Amman São Paulo Chicago Kuala Lumpur Jakarta Seoul Johannesburg Wuhan Phoenix Tokyo Mexico City Houston Paris New York City Guadalajara Boston Auckland Chennai Chengdu Freetown Shanghai Portland Beijing Karachi Casablanca Ahmedabad Addis Ababa Quito Dar es Salaam Ekurhuleni

Tshwane Hangzhou Berlin Fortaleza Ho Chi Minh City Hanoi New Orleans Lisbon Dhaka (North & South) Dubai Abidjan Accra Lagos Heidelberg San Francisco London Oslo Istanbul Toronto Tel Aviv – Yafo Yokohama Rio de Janeiro Mumbai Montréal Buenos Aires Delhi NCT Dakar Cape Town Washington, DC Copenhagen Dalian Lima Quezon City Tshwane Hangzhou Berlin Fortaleza Ho Chi Minh City Hanoi New Orleans Lisbon Dhaka (North & South) Dubai Abidjan Accra Lagos Heidelberg San Francisco London Oslo Istanbul Toronto Tel Aviv – Yafo Yokohama Rio de Janeiro Mumbai Montréal Buenos Aires Delhi NCT Dakar Cape Town Washington, DC Copenhagen Dalian Lima Quezon City

Medellín Salvador Seattle Nanjing Philadelphia Qingdao Singapore Guangzhou Amsterdam Zhenjiang Bangkok Santiago Rotterdam Durban (eThekwini) Shenzhen Nairobi Sydney Vancouver Bengaluru Melbourne Barcelona Milan Miami Los Angeles Stockholm Fuzhou Austin Hong Kong Curitiba Warsaw Athens Medellín Salvador Seattle Nanjing Philadelphia Qingdao Singapore Guangzhou Amsterdam Zhenjiang Bangkok Santiago Rotterdam Durban (eThekwini) Shenzhen Nairobi Sydney Vancouver Bengaluru Melbourne Barcelona Milan Miami Los Angeles Stockholm Fuzhou Austin Hong Kong Curitiba Warsaw Athens