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