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

Quezon City Ekurhuleni Delhi NCT Quito Dakar New Orleans London Zhenjiang Shanghai Buenos Aires Guangzhou Hong Kong Philadelphia Qingdao Hanoi Tokyo Paris Accra Bengaluru Amman Houston Dubai Nanjing Seoul Seattle Lima Dalian Medellín Sydney Durban (eThekwini) Yokohama Beijing Lisbon Quezon City Ekurhuleni Delhi NCT Quito Dakar New Orleans London Zhenjiang Shanghai Buenos Aires Guangzhou Hong Kong Philadelphia Qingdao Hanoi Tokyo Paris Accra Bengaluru Amman Houston Dubai Nanjing Seoul Seattle Lima Dalian Medellín Sydney Durban (eThekwini) Yokohama Beijing Lisbon

Amsterdam Santiago Madrid Freetown Phoenix San Francisco Karachi Nairobi Rotterdam Shenzhen Athens Wuhan Bangkok Austin Boston Mexico City New York City Rome Auckland Mumbai Vancouver Tshwane Salvador Toronto Ho Chi Minh City Johannesburg Dar es Salaam Miami Ahmedabad Montréal Stockholm Istanbul Addis Ababa Amsterdam Santiago Madrid Freetown Phoenix San Francisco Karachi Nairobi Rotterdam Shenzhen Athens Wuhan Bangkok Austin Boston Mexico City New York City Rome Auckland Mumbai Vancouver Tshwane Salvador Toronto Ho Chi Minh City Johannesburg Dar es Salaam Miami Ahmedabad Montréal Stockholm Istanbul Addis Ababa

Melbourne Portland Chengdu Fortaleza Heidelberg Milan Copenhagen Chennai Cape Town Washington, DC Lagos Rio de Janeiro Abidjan Warsaw Barcelona Curitiba Chicago Berlin Singapore São Paulo Bogotá Dhaka (North & South) Tel Aviv – Yafo Casablanca Guadalajara Oslo Jakarta Los Angeles Hangzhou Kuala Lumpur Fuzhou Melbourne Portland Chengdu Fortaleza Heidelberg Milan Copenhagen Chennai Cape Town Washington, DC Lagos Rio de Janeiro Abidjan Warsaw Barcelona Curitiba Chicago Berlin Singapore São Paulo Bogotá Dhaka (North & South) Tel Aviv – Yafo Casablanca Guadalajara Oslo Jakarta Los Angeles Hangzhou Kuala Lumpur Fuzhou