C40 Cities: When local action meets global ambition
Behind every climate solution is a community and a city that dared to lead.
New York City
Addis Ababa
Salvador
Medellín
Amsterdam
Curitiba
Quezon City
Ekurhuleni
Miami
Seoul
Paris
Montréal
Auckland
Chicago
Guangzhou
Fuzhou
Warsaw
Zhenjiang
Copenhagen
Karachi
Houston
Durban (eThekwini)
Tokyo
Oslo
Philadelphia
Nairobi
Berlin
Bogotá
Wuhan
Stockholm
Amman
Qingdao
Chengdu
New York City
Addis Ababa
Salvador
Medellín
Amsterdam
Curitiba
Quezon City
Ekurhuleni
Miami
Seoul
Paris
Montréal
Auckland
Chicago
Guangzhou
Fuzhou
Warsaw
Zhenjiang
Copenhagen
Karachi
Houston
Durban (eThekwini)
Tokyo
Oslo
Philadelphia
Nairobi
Berlin
Bogotá
Wuhan
Stockholm
Amman
Qingdao
Chengdu
Freetown
Yokohama
Athens
Cape Town
Barcelona
Portland
Washington, DC
Kuala Lumpur
Phoenix
Ahmedabad
Jakarta
Buenos Aires
Dubai
Dakar
Singapore
Toronto
Abidjan
Rome
Lagos
Santiago
Lisbon
Hong Kong
Hanoi
Nanjing
Beijing
Vancouver
Dalian
Los Angeles
Dhaka (North & South)
Guadalajara
Shenzhen
Sydney
Mexico City
Freetown
Yokohama
Athens
Cape Town
Barcelona
Portland
Washington, DC
Kuala Lumpur
Phoenix
Ahmedabad
Jakarta
Buenos Aires
Dubai
Dakar
Singapore
Toronto
Abidjan
Rome
Lagos
Santiago
Lisbon
Hong Kong
Hanoi
Nanjing
Beijing
Vancouver
Dalian
Los Angeles
Dhaka (North & South)
Guadalajara
Shenzhen
Sydney
Mexico City
Chennai
Delhi NCT
Austin
New Orleans
Istanbul
Tel Aviv – Yafo
Dar es Salaam
Quito
São Paulo
Milan
Mumbai
Seattle
Johannesburg
Bangkok
Ho Chi Minh City
Hangzhou
Boston
San Francisco
Casablanca
Lima
Madrid
Tshwane
Bengaluru
Fortaleza
Accra
Shanghai
Melbourne
Heidelberg
Rio de Janeiro
Rotterdam
London
Chennai
Delhi NCT
Austin
New Orleans
Istanbul
Tel Aviv – Yafo
Dar es Salaam
Quito
São Paulo
Milan
Mumbai
Seattle
Johannesburg
Bangkok
Ho Chi Minh City
Hangzhou
Boston
San Francisco
Casablanca
Lima
Madrid
Tshwane
Bengaluru
Fortaleza
Accra
Shanghai
Melbourne
Heidelberg
Rio de Janeiro
Rotterdam
London
C40 has
97
member cities
Making up more than
22%
of the global economy1
Accelerator Reports
Latest Reports Now Available
Since 2017, 74 forward-thinking C40 cities have been driving transformative action in critical sectors through C40’s High-Impact Accelerators.
In the latest Accelerator Reports, we celebrate the progress and impact of cities’ climate actions.
Latest News
Sources:
1. Oxford Economics data + C40 modelling and World Bank for global GDP.