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