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