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

Chicago Hangzhou Chengdu Durban (eThekwini) Shanghai Tel Aviv – Yafo Fuzhou Qingdao Amsterdam Addis Ababa Jakarta Karachi Rome Nairobi Guadalajara Lisbon Paris Johannesburg Cape Town Abidjan Zhenjiang São Paulo Athens Warsaw Miami Ahmedabad Bogotá Amman Copenhagen Berlin Accra Wuhan Curitiba Chicago Hangzhou Chengdu Durban (eThekwini) Shanghai Tel Aviv – Yafo Fuzhou Qingdao Amsterdam Addis Ababa Jakarta Karachi Rome Nairobi Guadalajara Lisbon Paris Johannesburg Cape Town Abidjan Zhenjiang São Paulo Athens Warsaw Miami Ahmedabad Bogotá Amman Copenhagen Berlin Accra Wuhan Curitiba

Delhi NCT Salvador Quezon City Kuala Lumpur Auckland Lima Tokyo Yokohama Toronto Dar es Salaam Montréal Dhaka (North & South) Santiago Bangkok Beijing Freetown Seoul Philadelphia Casablanca Houston Barcelona Mexico City Boston Mumbai Vancouver Melbourne Oslo Phoenix Hong Kong London Dubai Ho Chi Minh City Portland Delhi NCT Salvador Quezon City Kuala Lumpur Auckland Lima Tokyo Yokohama Toronto Dar es Salaam Montréal Dhaka (North & South) Santiago Bangkok Beijing Freetown Seoul Philadelphia Casablanca Houston Barcelona Mexico City Boston Mumbai Vancouver Melbourne Oslo Phoenix Hong Kong London Dubai Ho Chi Minh City Portland

Buenos Aires Sydney Ekurhuleni Quito Istanbul Washington, DC Heidelberg Lagos Medellín Hanoi Chennai New York City Nanjing Madrid New Orleans Austin Dalian Rio de Janeiro Guangzhou Shenzhen Rotterdam Fortaleza Milan Seattle Dakar Los Angeles Bengaluru Stockholm Tshwane San Francisco Singapore Buenos Aires Sydney Ekurhuleni Quito Istanbul Washington, DC Heidelberg Lagos Medellín Hanoi Chennai New York City Nanjing Madrid New Orleans Austin Dalian Rio de Janeiro Guangzhou Shenzhen Rotterdam Fortaleza Milan Seattle Dakar Los Angeles Bengaluru Stockholm Tshwane San Francisco Singapore