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

Copenhagen Barcelona Ho Chi Minh City Hanoi Warsaw Wuhan Toronto Lagos Shanghai Philadelphia Sydney Freetown Kuala Lumpur Hangzhou Paris Austin Delhi NCT Chicago Washington, DC Yokohama Tel Aviv – Yafo Heidelberg Mumbai New York City London Quito Rotterdam Qingdao Tokyo Tshwane Madrid Auckland Cape Town Copenhagen Barcelona Ho Chi Minh City Hanoi Warsaw Wuhan Toronto Lagos Shanghai Philadelphia Sydney Freetown Kuala Lumpur Hangzhou Paris Austin Delhi NCT Chicago Washington, DC Yokohama Tel Aviv – Yafo Heidelberg Mumbai New York City London Quito Rotterdam Qingdao Tokyo Tshwane Madrid Auckland Cape Town

Buenos Aires Guadalajara Dhaka (North & South) Rio de Janeiro Bogotá Chengdu Johannesburg Fortaleza San Francisco Milan Melbourne Bengaluru Oslo Amsterdam Zhenjiang Lima Houston Ahmedabad Nanjing Boston Seattle Beijing Singapore Rome Quezon City Shenzhen Dar es Salaam Bangkok Berlin Dalian Ekurhuleni New Orleans São Paulo Buenos Aires Guadalajara Dhaka (North & South) Rio de Janeiro Bogotá Chengdu Johannesburg Fortaleza San Francisco Milan Melbourne Bengaluru Oslo Amsterdam Zhenjiang Lima Houston Ahmedabad Nanjing Boston Seattle Beijing Singapore Rome Quezon City Shenzhen Dar es Salaam Bangkok Berlin Dalian Ekurhuleni New Orleans São Paulo

Dubai Santiago Mexico City Vancouver Phoenix Athens Seoul Accra Casablanca Salvador Stockholm Nairobi Guangzhou Chennai Hong Kong Abidjan Medellín Fuzhou Lisbon Montréal Portland Los Angeles Miami Karachi Istanbul Jakarta Durban (eThekwini) Amman Curitiba Dakar Addis Ababa Dubai Santiago Mexico City Vancouver Phoenix Athens Seoul Accra Casablanca Salvador Stockholm Nairobi Guangzhou Chennai Hong Kong Abidjan Medellín Fuzhou Lisbon Montréal Portland Los Angeles Miami Karachi Istanbul Jakarta Durban (eThekwini) Amman Curitiba Dakar Addis Ababa