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

San Francisco Lagos Heidelberg Rotterdam Wuhan Chicago Austin Karachi Johannesburg Copenhagen Nanjing Houston Barcelona Phoenix Chengdu Dar es Salaam Santiago Yokohama Dubai Melbourne Warsaw Curitiba Beijing Abidjan Tel Aviv – Yafo Ekurhuleni Accra Lisbon Chennai Oslo Buenos Aires Athens San Francisco Lagos Heidelberg Rotterdam Wuhan Chicago Austin Karachi Johannesburg Copenhagen Nanjing Houston Barcelona Phoenix Chengdu Dar es Salaam Santiago Yokohama Dubai Melbourne Warsaw Curitiba Beijing Abidjan Tel Aviv – Yafo Ekurhuleni Accra Lisbon Chennai Oslo Buenos Aires Athens

Quito Freetown Mexico City Berlin Vancouver Rome Sydney Shanghai Miami Madrid Amman Seoul Shenzhen Tshwane Amsterdam Nairobi Quezon City Lima Auckland Paris Bengaluru Boston Los Angeles Kuala Lumpur New York City Singapore Jakarta São Paulo Dalian Cape Town Philadelphia Istanbul Quito Freetown Mexico City Berlin Vancouver Rome Sydney Shanghai Miami Madrid Amman Seoul Shenzhen Tshwane Amsterdam Nairobi Quezon City Lima Auckland Paris Bengaluru Boston Los Angeles Kuala Lumpur New York City Singapore Jakarta São Paulo Dalian Cape Town Philadelphia Istanbul

Dakar London Zhenjiang Hong Kong Bogotá Portland Rio de Janeiro Qingdao New Orleans Hangzhou Montréal Dhaka (North & South) Medellín Fuzhou Guangzhou Toronto Mumbai Addis Ababa Guadalajara Delhi NCT Seattle Bangkok Ho Chi Minh City Tokyo Salvador Stockholm Ahmedabad Kolkata Hanoi Washington, DC Milan Durban (eThekwini) Dakar London Zhenjiang Hong Kong Bogotá Portland Rio de Janeiro Qingdao New Orleans Hangzhou Montréal Dhaka (North & South) Medellín Fuzhou Guangzhou Toronto Mumbai Addis Ababa Guadalajara Delhi NCT Seattle Bangkok Ho Chi Minh City Tokyo Salvador Stockholm Ahmedabad Kolkata Hanoi Washington, DC Milan Durban (eThekwini)