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