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