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