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