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