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