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