C40 Cities: When local action meets global ambition
Behind every climate solution is a community and a city that dared to lead.
Wuhan
Qingdao
Phoenix
Ahmedabad
Berlin
Los Angeles
Chicago
São Paulo
Abidjan
Hanoi
Montréal
Yokohama
Chennai
Quezon City
Lisbon
Delhi NCT
Mumbai
Dalian
Houston
Rio de Janeiro
Freetown
Cape Town
Curitiba
Shenzhen
Madrid
Boston
Quito
Rotterdam
Barcelona
Oslo
Accra
Nanjing
Athens
Wuhan
Qingdao
Phoenix
Ahmedabad
Berlin
Los Angeles
Chicago
São Paulo
Abidjan
Hanoi
Montréal
Yokohama
Chennai
Quezon City
Lisbon
Delhi NCT
Mumbai
Dalian
Houston
Rio de Janeiro
Freetown
Cape Town
Curitiba
Shenzhen
Madrid
Boston
Quito
Rotterdam
Barcelona
Oslo
Accra
Nanjing
Athens
Addis Ababa
Dubai
Paris
Casablanca
Rome
Milan
Shanghai
Karachi
Toronto
Dakar
New York City
Washington, DC
New Orleans
Austin
Warsaw
Medellín
Jakarta
Miami
Dar es Salaam
Stockholm
Bangkok
Bogotá
Ho Chi Minh City
Ekurhuleni
Istanbul
Sydney
Dhaka (North & South)
Durban (eThekwini)
Buenos Aires
Amsterdam
Chengdu
Heidelberg
Auckland
Addis Ababa
Dubai
Paris
Casablanca
Rome
Milan
Shanghai
Karachi
Toronto
Dakar
New York City
Washington, DC
New Orleans
Austin
Warsaw
Medellín
Jakarta
Miami
Dar es Salaam
Stockholm
Bangkok
Bogotá
Ho Chi Minh City
Ekurhuleni
Istanbul
Sydney
Dhaka (North & South)
Durban (eThekwini)
Buenos Aires
Amsterdam
Chengdu
Heidelberg
Auckland
Johannesburg
Tshwane
Copenhagen
Nairobi
Lagos
Singapore
Fuzhou
Tel Aviv – Yafo
Beijing
Kuala Lumpur
London
Mexico City
Melbourne
Santiago
Seattle
Tokyo
Fortaleza
San Francisco
Zhenjiang
Salvador
Portland
Hangzhou
Amman
Lima
Bengaluru
Vancouver
Hong Kong
Philadelphia
Guangzhou
Guadalajara
Seoul
Johannesburg
Tshwane
Copenhagen
Nairobi
Lagos
Singapore
Fuzhou
Tel Aviv – Yafo
Beijing
Kuala Lumpur
London
Mexico City
Melbourne
Santiago
Seattle
Tokyo
Fortaleza
San Francisco
Zhenjiang
Salvador
Portland
Hangzhou
Amman
Lima
Bengaluru
Vancouver
Hong Kong
Philadelphia
Guangzhou
Guadalajara
Seoul
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.