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