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

Portland Kuala Lumpur Buenos Aires Stockholm Lagos Toronto Nairobi Melbourne Phoenix Chengdu Seoul Quito Madrid Miami Abidjan Johannesburg Auckland Philadelphia Milan Boston Dalian Cape Town Mexico City Rotterdam Lima Casablanca Amsterdam Hanoi Bogotá Austin Chicago Hangzhou San Francisco Portland Kuala Lumpur Buenos Aires Stockholm Lagos Toronto Nairobi Melbourne Phoenix Chengdu Seoul Quito Madrid Miami Abidjan Johannesburg Auckland Philadelphia Milan Boston Dalian Cape Town Mexico City Rotterdam Lima Casablanca Amsterdam Hanoi Bogotá Austin Chicago Hangzhou San Francisco

Ekurhuleni Tel Aviv – Yafo Beijing Bengaluru Oslo Sydney Seattle Medellín Curitiba Amman Vancouver Durban (eThekwini) Paris Dubai Dakar Los Angeles Fuzhou Tokyo Rome Mumbai Salvador Yokohama Copenhagen Tshwane Rio de Janeiro New York City Bangkok Nanjing Wuhan Delhi NCT Dar es Salaam Ahmedabad Quezon City Ekurhuleni Tel Aviv – Yafo Beijing Bengaluru Oslo Sydney Seattle Medellín Curitiba Amman Vancouver Durban (eThekwini) Paris Dubai Dakar Los Angeles Fuzhou Tokyo Rome Mumbai Salvador Yokohama Copenhagen Tshwane Rio de Janeiro New York City Bangkok Nanjing Wuhan Delhi NCT Dar es Salaam Ahmedabad Quezon City

Athens Freetown Fortaleza Warsaw Karachi Accra Dhaka (North & South) London Santiago Shanghai Hong Kong São Paulo Heidelberg Singapore Montréal Shenzhen Washington, DC Jakarta Zhenjiang New Orleans Ho Chi Minh City Houston Chennai Guadalajara Berlin Lisbon Guangzhou Istanbul Barcelona Qingdao Addis Ababa Athens Freetown Fortaleza Warsaw Karachi Accra Dhaka (North & South) London Santiago Shanghai Hong Kong São Paulo Heidelberg Singapore Montréal Shenzhen Washington, DC Jakarta Zhenjiang New Orleans Ho Chi Minh City Houston Chennai Guadalajara Berlin Lisbon Guangzhou Istanbul Barcelona Qingdao Addis Ababa