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