C40 Cities Climate Leadership Group
A total of 58 global cities are members of the C40 Cities Climate Leadership Group (C40). Our current Chair, New York City Mayor Michael R. Bloomberg, along with the ten‐member Steering Committee of other C40 mayors, guides the work of the C40.
Steering Committee Cities:
Berlin
Leader: Governing Mayor Klaus Wowereit
Population: 3,387,000
City status: Participating city
Website: http://www.berlin.de/english
Hong Kong
Leader: Chief Executive Donald Tsang
Population: 6,985,000
Hong Kong Climate Change Action Plan
City status: Participating city Website: http://www.gov.hk
Jakarta
Leader: Governor Fauzi Bowo
Population: 8,389,000
City status: Participating city
Website: http://www.jakarta.go.id/v21/home/default.asp?lg=2
Johannesburg
Leader: Executive Mayor Mpho Parks Tau
Population: 3,888,000 City status: Participating city
Website: http://www.joburg.org.za
Los Angeles
Leader: Mayor Antonio Villaraigosa
Population: 3,800,000
Los Angeles Climate Change Action Plan
City status: Participating city
Website: http://www.ci.la.ca.us
London
Leader: Mayor Boris Johnson
Population: 7,500,000
London Climate Change Action Plan
City status: Participating city
Website: http://www.london.gov.uk
New York
Leader: Mayor Michael Bloomberg
Population: 8,200,000
New York Climate Change Action Plan
City status: Participating city
Website: http://www.nyc.gov
Sao Paulo
Leader: Mayor Gilberto Kassab
Population: 10,000,000
City status: Participating city
Website: http://www.capital.sp.gov.br
Seoul
Leader: Mayor Oh Se-hoon
Population: 10,300,000
City status: Participating city
Website: http://english.seoul.go.kr/
Tokyo
Leader: Governor Shintaro Ishihara
Population: 12,800,000
Tokyo Climate Change Action Plan
City status: Participating city
Website: http://www.metro.tokyo.jp/ENGLISH/
Participating Cities:
Addis Ababa, Ethiopia
Leader: Mayor Kuma Demeksa
Population: 3,146,999
City status: Participating city
Website: http://www.addisababacity.gov.et
Athens, Greece
Leader: Mayor Yiorgis Kaminis
Population: 3,072,992
City status: Participating city
Website: http://www.cityofathens.gr
Bangkok, Thailand
Leader: Governor Sukhumbhand Paribatra
Population: 8,160,552
City status: Participating city
Website: http://www.bangkoktourist.com
Beijing, China
Leader: Mayor Guo Jinlong
Population: 15,380,000
City status: Participating city
Website: http://www.ebeijing.gov.cn
Berlin, Germany
Leader: Governing Mayor Klaus Wowereit
Population: 3,387,000
City status: Participating city
Website: http://www.berlin.de/english
Bogotá, Colombia
Leader: Acting Mayor Clara López Obregón
Population: 8,550,000
City status: Participating city
Website: http://www.bogotaturismo.gov.co
Buenos Aires, Argentina
Leader: Mayor Mauricio Macri
Population: 3,034,000
City status: Participating city
Website: http://www.buenosaires.gov.ar
Cairo, Egypt
Leader: Governor Abdel Azim Wazir
Population: 6,800,000
City status: Participating city
Website: http://www.cairo.gov.eg
Caracas, Venezuela
Leader: Mayor Antonio Ledezma
Population: 3,140,000
City status: Participating city
Website: http://www.alcaldiamayor.gob.ve
Chicago, USA
Leader: Mayor Rahm Emanuel
Population: 2,833,000
Chicago Climate Change Action Plan
City status: Participating city
Website: http://egov.cityofchicago.org/city/webportal/home.do
Delhi NCT, India
Leader: Chief Minister Sheila Dikshit
Population: 17,000,000
City status: Participating city
Website: www.delhi.gov.in
Dhaka, Bangladesh
Leader: Mayor Sadeque Hossain Khoka
Population: 6,700,000
City status: Participating city
Website: http://www.dhakacity.org
Hanoi, Vietnam
Leader: Chairman of the Hanoi Municipal People’s Committee Nguyen The Thao
Population: 3,399,000
City status: Participating city
Website: http://www.hanoi.gov.vn/hanoien
Hong Kong, China
Leader: Chief Executive Donald Tsang
Population: 6,985,000
Hong Kong Climate Change Action Plan
City status: Participating city
Website: http://www.gov.hk
Houston, USA
Leader: Mayor Annise Parker
Population: 2,200,000
Houston Climate Change Action Plan
City status: Participating city
Website: http://www.houstontx.gov
Istanbul, Turkey
Leader: Mayor Kadir Topbas
Population: 11,373,000
City status: Participating city
Website: www.ibb.gov.tr
Jakarta, Indonesia
Leader: Governor Fauzi Bowo
Population: 8,389,000
City status: Participating city
Website: http://www.jakarta.go.id/v21/home/default.asp?lg=2
Johannesburg, South Africa
Leader: Executive Mayor Mpho Parks Tau
Population: 3,888,000
City status: Participating city
Website: http://www.joburg.org.za
Karachi, Pakistan
Leader: Nazim Syed Mustafa Kamal
Population: 16,500,000
City status: Participating city
Website: http://www.karachicity.gov.pk
Lagos, Nigeria
Leader: Governor of Lagos State Babatunde Raji Fashola
Population: 7,938,000
City status: Participating city
Website: http://www.lagosstate.gov.ng
Lima, Peru
Leader: Mayor of Metropolitan Lima Susana Villarán
Population: 7,800,000
City status: Participating city
Website: http://www.munlima.gob.pe
London, United Kingdom
Leader: Mayor Boris Johnson
Population: 7,500,000
London Climate Change Action Plan
City status: Participating city
Website: http://www.london.gov.uk
Los Angeles, USA
Leader: Mayor Antonio Villaraigosa
Population: 3,800,000
Los Angeles Climate Change Action Plan
City status: Participating city
Website: http://www.ci.la.ca.us
Madrid, Spain
Leader: Mayor Alberto Ruiz-Gallardón
Population: 3,200,000
Madrid Climate Change Action Plan
City status: Participating city
Website: http://www.munimadrid.es
Melbourne, Australia
Leader: Lord Mayor Robert Doyle
Population: 3,800,000
City status: Participating city
Website: http://www.melbourne.vic.gov.au
Mexico City, Mexico
Leader: Mayor Marcelo Ebrard Casaubon
Population: 8,700,000
Mexico City Climate Change Action Plan
City status: Participating city
Website: http://www.df.gob.mx/
Moscow, Russia
Leader: Mayor Sergei Sobyanin
Population: 10,300,000
City status: Participating city
Website: http://www.mos.ru/
Mumbai, India
Leader: Mayor Shraddha Jadhav
Population: 13,000,000
City status: Participating city
Website: http://www.mcgm.gov.in/
New York, USA
Leader: Mayor Michael Bloomberg
Population: 8,200,000
New York Climate Change Action Plan
City status: Participating city
Website: http://www.nyc.gov
Paris, France
Leader: Mayor Bertrand Delanoë
Population: 2,200,000
Paris Climate Change Action Plan
City status: Participating city
Website: http://www.paris.fr
Philadelphia, USA
Leader: Mayor Michael Nutter
Population: 5,800,000
City status: Participating city
Website: http://www.phila.gov
Rio de Janeiro, Brazil
Leader: Prefeito Eduardo Paes
Population: 6,100,000
City status: Participating city
Website: http://www.rio.rj.gov.br
Rome, Italy
Leader: Mayor Gianni Alemanno
Population: 4,000,000
Rome Climate Change Action Plan
City status: Participating city
Website: http://www.comune.roma.it
Sao Paulo, Brazil
Leader: Mayor Gilberto Kassab
Population: 10,000,000
City status: Participating city
Website: http://www.capital.sp.gov.br
Seoul, South Korea
Leader: Mayor Oh Se-hoon
Population: 10,300,000
City status: Participating city
Website: http://english.seoul.go.kr/
Shanghai, China
Leader: Mayor Han Zheng
Population: 18,450,000
City status: Participating city
Website: http://www.shanghai.gov.cn/shanghai/node8059/index.html
Sydney, Australia
Leader: Lord Mayor Clover More
Population: 4,280,000
Sydney Climate Change Action Plan
City status: Participating city
Website: http://www.cityofsydney.nsw.gov.au
Tokyo, Japan
Leader: Governor Shintaro Ishihara
Population: 12,800,000
Tokyo Climate Change Action Plan
City status: Participating city
Website: http://www.metro.tokyo.jp/ENGLISH/
Toronto, Canada
Leader: Mayor Rob Ford
Population: 5,500,000
Toronto Climate Change Action Plan
City status: Participating city
Website: http://www.toronto.ca
Warsaw, Poland
Leader: Mayor Hanna Gronkiewicz Waltz
Population: 3,350,000
City status: Participating city
Website: http://www.e-warsaw.pl
Affiliate Cities:
Amsterdam, The Netherlands
Leader: Mayor Eberhard van der Laan
Population: 752,000
Amsterdam Climate Change Action Plan
City status: Affiliate
Website: http://www.iamsterdam.com/en
Austin, USA
Leader: Mayor Lee Leffingwell
Population: 743,000
Austin Climate Change Action Plan
City status: Affiliate
Website: http://www.ci.austin.tx.us
Barcelona, Spain
Leader: Mayor Xavier Trias
Population: 1,600,000
City status: Affiliate
Website: http://www.bcn.cat
Basel, Switzerland
Leader: Mayor Guy Morin
Population: 180,000 (700,000 Greater Basel Area)
City status: Affiliate
Website: http://www.bs.ch
Changwon, Republic of Korea
Leader: Mayor Park Wan-su
Population: 510,000
City status: Affiliate
Website: http://eng.changwon.go.kr
Copenhagen, Denmark
Leader: Lord Mayor Frank Jensen
Population: 509,000
City status: Affiliate
Website: www.kk.dk/greengrowth.aspx
Curitiba, Brazil
Leader: Mayor Luciano Ducci
Population: 1,800,000
City status: Affiliate
Website: http://www.curitiba.pr.gov.br
Heidelberg, Germany
Leader: Lord Mayor Eckart Würzner
Population: 140,000
City status: Affiliate
Website: http://www.heidelberg.de
Ho Chi Minh City, Vietnam
Leader: Chairman of the Ho Chi Minh City People's Committee Mr Le Hoang Quan
Population: 6,650,000
City status: Affiliate
Website: http://www.hochiminhcity.gov.vn
Milan, Italy
Leader: Mayor Giuliano Pisapia
Population: 1,300,000
City status: Affiliate
Website: http://www.comune.milano.it
New Orleans, USA
Leader: Mayor Mitch Landrieu
Population: 275,000
City status: Affiliate
Website: http://www.cityofno.com/portal.aspx
Portland, USA
Leader: Mayor Sam Adams
Population: 568,000
Portland Climate Change Action Plan
City status: Affiliate
Website: http://www.portlandonline.com
Rotterdam, The Netherlands
Leader: Mayor Ahmed Aboutaleb
Population: 584,000
Rotterdam Climate Change Action Plan
City status: Affiliate
Website: http://www.rotterdam.nl
San Francisco, USA
Leader: Mayor Edwin M. Lee
Population: 765,000
San Francisco Climate Change Action Plan
City status: Affiliate
Website: http://www.sfgov.org
Santiago de Chile, Chile
Leader: Intendente Regional Mr Fernando Echeverria
Population: 7,000,000
City status: Affiliate
Website: http://www.gobiernosantiago.cl
Seattle, USA
Leader: Mayor Michael McGinn
Population: 594,000
Seattle Climate Change Action Plan
City status: Affiliate
Website: http://www.seattle.gov
Stockholm, Sweden
Leader: Mayor Sten Nordin
Population: 803,000
Stockholm Climate Change Action Plan
City status: Affiliate
Website: http://www.stockholm.se
Yokohama, Japan
Leader: Mayor Fumiko Hayashi
Population: 3,600,000
City status: Affiliate
Website: http://www.city.yokohama.jp/en/
Observer City: