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

Curitiba Quito Tel Aviv – Yafo Boston Athens Quezon City Montréal Fortaleza Accra Ho Chi Minh City Nanjing Portland Istanbul Freetown Rotterdam Durban (eThekwini) Buenos Aires Seoul New Orleans Zhenjiang Ahmedabad Guadalajara Stockholm Auckland Austin Santiago Miami Qingdao Wuhan Los Angeles Ekurhuleni Dakar Shenzhen Curitiba Quito Tel Aviv – Yafo Boston Athens Quezon City Montréal Fortaleza Accra Ho Chi Minh City Nanjing Portland Istanbul Freetown Rotterdam Durban (eThekwini) Buenos Aires Seoul New Orleans Zhenjiang Ahmedabad Guadalajara Stockholm Auckland Austin Santiago Miami Qingdao Wuhan Los Angeles Ekurhuleni Dakar Shenzhen

Phoenix Fuzhou Nairobi Yokohama Oslo Barcelona Dar es Salaam Hangzhou Copenhagen Cape Town Chicago Medellín Madrid Amman San Francisco Sydney Addis Ababa Mumbai Dubai Dalian Heidelberg Philadelphia Guangzhou Warsaw Abidjan Toronto Vancouver Paris Hanoi Houston Rome Delhi NCT Bogotá Phoenix Fuzhou Nairobi Yokohama Oslo Barcelona Dar es Salaam Hangzhou Copenhagen Cape Town Chicago Medellín Madrid Amman San Francisco Sydney Addis Ababa Mumbai Dubai Dalian Heidelberg Philadelphia Guangzhou Warsaw Abidjan Toronto Vancouver Paris Hanoi Houston Rome Delhi NCT Bogotá

Milan Lagos Bangkok Seattle Melbourne Lisbon Tokyo Casablanca Bengaluru Johannesburg Hong Kong London Kuala Lumpur Jakarta Singapore Berlin Beijing Salvador Karachi Amsterdam Tshwane Lima São Paulo Rio de Janeiro Chengdu Mexico City New York City Dhaka (North & South) Washington, DC Shanghai Chennai Milan Lagos Bangkok Seattle Melbourne Lisbon Tokyo Casablanca Bengaluru Johannesburg Hong Kong London Kuala Lumpur Jakarta Singapore Berlin Beijing Salvador Karachi Amsterdam Tshwane Lima São Paulo Rio de Janeiro Chengdu Mexico City New York City Dhaka (North & South) Washington, DC Shanghai Chennai