We, the signatories of this message from all continents, call upon all nations in the ongoing climate negotiations to adopt 350 as the target to be reached peacefully and deliberately, with all possible speed.

Poonam Ahluwalia, President, Youth Employment Systems
Pindarous W.T. Allison West Africa Coordinator, Youth Employment Systems (YES)
Dennis Altman, Professor
Peter Anderberg
Ray C. Anderson, Interface
Thomas Andersson, President, Jönköping University
Gunilla Arhen, Ruter Dam
W. Brian Arthur, Economist, Santa Fe Institute
Alan AtKisson, President, The AtKisson Group
Brian Bacon, Founder & President, Oxford Leadership Academy
Graham Barnes, Ph.D., psychotherapist, author
Steve Bass
Héctor Castillo Berthier
Göran Bexell, Vice-Chancellor, Lund University
Mihir R. Bhatt, Director, All India Disaster Mitigation Institute
Peter Blom, CEO, Triodos Investment
David Blood, Generation Investment Management
Nicole-Anne Boyer, Managing Director, Adaptive Edge
Derek Brown, Peace Appeal Foundation
Karin Bruce
Dan Brändström
Göran Carstedt
Per Carstedt
Robert Charpentier, CEO, Kaupthing Bank Sverige AB
Nayan Chanda
David Chaytor, MP Bury North
Göran Collert
Napier Collyns
Audrey Codera, Youth Works Inc.
Robert Corell
Hilary Cottam, Participle
Alexander Crawford
Tom Cummings, Chairman, Executive Learning Partnership
Bei Dao, Poet, Professor of Humanities, Chinese University of Hong Kong
Professor Ogunlade Davidson
Avril Doyle, MEP
Gwynne Dyer
Bo Ekman
Göran Ekman
Sara Ekman
Kristin Engvig, Founder, Women's International Networking, WINconference
Profs Alice and Bob Evans, Plowshares Institute
Tim Flannery
José María Figueres Olsen, Ex-President of Costa Rica
Ulla-Britt Fräjdin-Hellqvist
M.Shafik Gabr, Chairman & Managing Director, ARTOC Group for Investment & Development
Yubaraj Ghimire, Editor, Samay/Newsfront Kathmandu
Marilou van Golstein Brouwers,Managing Director, Triodos Investment Management
Luis Gomez-Echeverri
Lennart Grebelius
Hal Hamilton, Sustainability Institute
KG Hammar
Dongfang Han
James Hansen
Molly Harriss Olson CEO, President Clinton's Council on Sustainable Development
Satu Hassi, Member of the European Parliament
Martin Hedberg, Swedish Weather & Climate Centre
Pär Holmgren, Meteorologist
Thomas Homer-Dixon, Professor, University of Toronto
Will Hutton
Ross Jackson, Gaia Trust, Denmark
Bianca Jagger, Chair, World Future Council
Oliver James, Psychologist, author of Affluenza
Alexander af Jochnick
Colin Vivian Jones
Bill Joy, Partner, KPCB
Carin Jämtin
Koosum Kalyan
Madhu Kishwar
Niclas Kjellström-Matseke, CEO, The Swedish Post Code Lottery
Igor Kluin, Founder Qurrent
Shulamith Koenig, Founding President- PDHRE, People's Movement for Human Rights Learning
Jules Kortenhorst
Anna Langenius
Charles Laroche, Laroche Conseil
Alejandro Litovsky, Volans Ventures
Christine Loh, CEO, Civic Exchange, Hong Kong
Prof. Jack Lohman, Director, The Museum of London
Augusto Lopez-Claros, Ph.D. Director, EFD - Global Consulting Network
James Lovelock
Caroline Lucas, Member of European Parliament, Green Party
Mark Lynas
Dirk Messner, Director, German Development Institute
Fred Matser, Founder/Chairman Fred Foundation
Anand Mahindra
Manfred A. Max-Neef, Professor of Ecological Economics, Universidad Austral de Chile.
Jacqueline McGlade, Professor
Bill McKibben
John Morelli, McCarthy Chair, Rochester Institute of Technology
Ieva Morica
Carl Mossfeldt
Herman Mulder
Geoff Mulgan
Robert Myall, Chairman, Nanyuki River Water Association
Carlos Nobre
Cecilia and Lars Nordstrom
Karl-Erik Norrman, Sec-Gen, European Cultural Parliament
Harald Norvik
Paul O'Hara
Rebecca Oliver
Hans-Olov Olsson
Marcello Palazzi
Anthony Patt, International Institute for Applied Systems Analysis
Göran Persson, former Prime Minister of Sweden
Iqbal Z. Quadir, Founder, MIT Legatum Center
Sigrid Rausing
Ralph Rayner, London School of Economics
Pierre Rehnlund
Howard Rheingold
Mike Robinson, Chair of Stop Climate Chaos Scotland
Johan Rockström
Yasuhiro Sakakibara
Mohammad Sammak
Leena Srivastava Executive Director TERI
Peter Schwartz
Michael Schragger, The Forum For Design & Sustainable Enterprise
Dr. Ismail Serageldin
Clare Short, MP
Anthony Simon
Jens Martin Skibsted, Creative Director of Skibsted Ideation/Biomega
Youba Sokona
Paolo Soleri, Arcosanti
Hans Sollerman CEO, e-man AB
Jaap Spier, Prof. Dr, Netherlands Supreme Court
Ingrid Srinath, CIVICUS
Grace K and John R. Stanek, Stanwood Associates
Caroline Stiernstedt Sahlborn
Alan Stoga, Zemi Communications
Ira Sundberg, Sustainable Sweden Association
Uno Svedin
Sverker Sörlin, Professor of Environmental History, author
Pedro Tarak, Fundacion Avina, Panama
Camilla Toulmin
Domien Van Gool, Founder, Leader Academy
Sasa Vucinic
Denny Vågerö, Professor, Centre for Health Equity Studies
Professor Judi Wakhungu (ACTS-Nairobi)
Dr. Marc A. Weiss, Chairman and CEO, Global Urban Development, Washington, DC
Anders Wijkman
Lawrence Wilkinson, Chairman, Heminge & Condell
James and Eva Wine
The Wirth Family
Frank Wisner, Vice Chairman, External Affairs, American International Group
Xu Sitao, Chief Representative, China The Economist Group
Oran Young, Bren School, UC Santa Barbara
Andreas Zachariah
Niklas Zennström, Co-founder Atomico, Joost, Skype
Zou Xinqing, Professor
American Indian Institute
China Labour Bulletin
Ejendals AB
e-man
The Foresight Group AB
Generation Investment Management LLP
Good Energies
H & M Hennes & Mauritz AB
The Lemelson Foundation
Living Partnership, International NGO (Belarus)
Mahindra & Mahindra Limited
NTR plc
Schweisfurth Foundation, Munich
Sundaram Tagore Galleries
The Swedish Post Code Lottery
The David Suzuki Foundation
Triodos Bank N.V.
Vsemirnyi Fond Prirody
350.org
European Environment Agency
Stockholm Environment Institute
Tällberg Foundation