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

Los Angeles Tel Aviv – Yafo Philadelphia Boston Berlin Rotterdam Yokohama Shenzhen Athens Addis Ababa Amsterdam Dalian Montréal Washington, DC Zhenjiang Ekurhuleni Tshwane Shanghai Qingdao Fuzhou Salvador Singapore Abidjan Hanoi São Paulo Melbourne Portland Nairobi Wuhan Quezon City Hangzhou Ho Chi Minh City Kuala Lumpur Los Angeles Tel Aviv – Yafo Philadelphia Boston Berlin Rotterdam Yokohama Shenzhen Athens Addis Ababa Amsterdam Dalian Montréal Washington, DC Zhenjiang Ekurhuleni Tshwane Shanghai Qingdao Fuzhou Salvador Singapore Abidjan Hanoi São Paulo Melbourne Portland Nairobi Wuhan Quezon City Hangzhou Ho Chi Minh City Kuala Lumpur

Johannesburg Stockholm Dhaka (North & South) Santiago Mumbai Istanbul Lisbon Bangkok Chengdu Curitiba Paris Dar es Salaam Cape Town Karachi Fortaleza Beijing Accra Dakar Hong Kong Freetown Nanjing Quito Milan Auckland Vancouver Oslo Copenhagen Jakarta Guangzhou Bogotá Lagos Medellín Austin Johannesburg Stockholm Dhaka (North & South) Santiago Mumbai Istanbul Lisbon Bangkok Chengdu Curitiba Paris Dar es Salaam Cape Town Karachi Fortaleza Beijing Accra Dakar Hong Kong Freetown Nanjing Quito Milan Auckland Vancouver Oslo Copenhagen Jakarta Guangzhou Bogotá Lagos Medellín Austin

New Orleans Bengaluru Buenos Aires Heidelberg Tokyo Delhi NCT Madrid Seattle Rome New York City Phoenix Miami Seoul Mexico City Durban (eThekwini) Chennai Barcelona Toronto Dubai Ahmedabad Warsaw London Chicago Rio de Janeiro Guadalajara Sydney Houston Amman San Francisco Casablanca Lima New Orleans Bengaluru Buenos Aires Heidelberg Tokyo Delhi NCT Madrid Seattle Rome New York City Phoenix Miami Seoul Mexico City Durban (eThekwini) Chennai Barcelona Toronto Dubai Ahmedabad Warsaw London Chicago Rio de Janeiro Guadalajara Sydney Houston Amman San Francisco Casablanca Lima