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