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