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

Jakarta Dar es Salaam Johannesburg Rio de Janeiro Houston Addis Ababa Heidelberg Mexico City Barcelona Cape Town Beijing Quezon City Copenhagen Ho Chi Minh City Portland Guangzhou Boston Stockholm Fuzhou London Amman Vancouver Phoenix Quito Philadelphia Warsaw Zhenjiang Hanoi Istanbul Lima Kolkata Santiago Jakarta Dar es Salaam Johannesburg Rio de Janeiro Houston Addis Ababa Heidelberg Mexico City Barcelona Cape Town Beijing Quezon City Copenhagen Ho Chi Minh City Portland Guangzhou Boston Stockholm Fuzhou London Amman Vancouver Phoenix Quito Philadelphia Warsaw Zhenjiang Hanoi Istanbul Lima Kolkata Santiago

São Paulo Washington, DC Bogotá Sydney San Francisco Chennai Hong Kong Buenos Aires Tshwane Dubai Athens Medellín Melbourne Seoul Dhaka (North & South) Singapore Chicago Hangzhou Los Angeles Guadalajara Toronto Yokohama Abidjan Salvador Dakar Curitiba Montréal Lisbon Auckland Rotterdam Dalian Shanghai São Paulo Washington, DC Bogotá Sydney San Francisco Chennai Hong Kong Buenos Aires Tshwane Dubai Athens Medellín Melbourne Seoul Dhaka (North & South) Singapore Chicago Hangzhou Los Angeles Guadalajara Toronto Yokohama Abidjan Salvador Dakar Curitiba Montréal Lisbon Auckland Rotterdam Dalian Shanghai

Ahmedabad Qingdao New York City Accra Seattle Madrid Mumbai Durban (eThekwini) Rome Bengaluru Berlin Lagos Bangkok Oslo Nairobi Wuhan Austin Nanjing Milan Delhi NCT Kuala Lumpur Tokyo Miami New Orleans Freetown Shenzhen Chengdu Karachi Ekurhuleni Tel Aviv – Yafo Paris Amsterdam Ahmedabad Qingdao New York City Accra Seattle Madrid Mumbai Durban (eThekwini) Rome Bengaluru Berlin Lagos Bangkok Oslo Nairobi Wuhan Austin Nanjing Milan Delhi NCT Kuala Lumpur Tokyo Miami New Orleans Freetown Shenzhen Chengdu Karachi Ekurhuleni Tel Aviv – Yafo Paris Amsterdam