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