[Note: Over 300 scientists have already signed this open letter and signatures are still being collected. On Friday, March 12, 2010, the letter was sent to federal agencies. The vast majority of the signers are climate change scientists who work at leading U.S. universities and institutions. They include both IPCC and non-IPCC authors. Additional signers include professionals from related disciplines, including physical, biological and social scientists. To return to the text of the letter, please visit this page.].

     

    If you are a scientist wishing to add your name to this letter, please complete the form below.
Letter Authors:

  1. Gary W. Yohe, Wesleyan University and Yale School of Forestry and Environmental Studies
  2. Stephen H. Schneider, Stanford University
  3. Cynthia Rosenzweig, NASA Goddard Institute for Space Studies and Columbia University
  4. William E. Easterling, Pennsylvania State University

Additional Signers:
  1.  Tom Adams, University of Georgia
  2.  Anurag Agrawal, Cornell University
  3.  Laurel J Anderson, Ohio Wesleyan University
  4.  Richard E Andrus, Binghamton University
  5.  Warren W Aney, Senior Wildlife Ecologist
  6.  Richard Anthes, University Corporation for Atmospheric Research
  7.  Jon M Antle, Montana State University
  8.  Robert Antonio, University of Kansas
  9.  Nan Crystal Arens, Hobart & William Smith Colleges 
  10.  Britt Argow, Wellesley College
  11.  Lillian Ashcraft-Eason, Bowling Green State University
  12.  Mark Axelrod, Michigan State University
  13.  Paul Baer, Georgia Institute of Technology
  14.  Tony Barnosky, University of California Berkeley
  15.  Roger Barry, University of Colorado
  16.  Karen Bartelt, Bradley University
  17.  Peter Bellin, California State University, Northridge
  18.  Juliet Berling, Binghamton University
  19.  Joseph Bernardo, Cornell University
  20.  Celine Bonfils, Lawrence Livermore National Laboratory
  21.  Guy P Brasseur, National Center for Atmospheric Research
  22.  Annette Brickley, Challenger Learning Center of Maine
  23.  Deborah Bronk, The College of William and Mary/Virginia Institute of Marine Science
  24.  Robert Brulle, Drexel University
  25.  John Burgeson, CDI Corporation (Retired)
  26.  C. Shepherd Burton, Independent Consultant
  27.  Wil Burns, Santa Clara University School of Law
  28.  Nancy J Byrd, Mirror Lake Protection Association
  29.  Lawrence B Cahoon, University of North Carolina Wilmington
  30.  Michael Calkins, New Mexico State University
  31.  Mariah S Carbone, University of California, Santa Barbara
  32.  Robert Carson, Whitman College
  33.  Patrick Cassen, NASA-Ames Research Center (Retired)
  34.  Nina Chaopricha, University of Wisconsin-Madison
  35.  Terry Chapin, University of Alaska
  36.  Barry Chernoff, Wesleyan University
  37.  M. Robin Church, William and Mary
  38.  Raymond Clarke, Sarah Lawrence College  
  39.  David A Cleveland, University of California Santa Barbara
  40.  Neil S Cobb, Northern Arizona University
  41.  Jonathan J Cole, Cary Institute of Ecosystem Studies
  42.  Robert S Coleman, The Ohio State University
  43.  Joseph C Colosi, DeSales University
  44.  Roger M Cooke, Resources for the Future
  45.  Anthony D. Cortese, Second Nature
  46.  Susan A Crate, George Mason University
  47.  Ellen J Crivella, CHMHill
  48.  Danny Cullenward, Stanford University
  49.  Janel Curry, Calvin College
  50.  R Laurence Davis, University of New Haven
  51.  Damon Delistraty, Washington State University
  52.  William DeMott, Indiana-Purdue University
  53.  Elizabeth R DeSombre, Wellesley College
  54.  Steve Dickman, State University of New York - Binghamton
  55.  Francis J DiSalvo, Cornell University
  56.  Kathleen M Dixon, Bowling Green State University
  57.  Tracy Dobson, Michigan State University
  58.  Richard D Doctor, Argonne National Laboratory
  59.  Francine L Dolins, University of Michigan-Dearborn
  60.  Samir Doshi, University of Vermont
  61.  David Downie, Fairfield University
  62.  Cliffort S Duke, Ecological Society of America
  63.  C. Mark Eakin, National Oceanic and Atmospheric Administration
  64.  David R Easterling, NOAA’s National Climatic Data Center
  65.  Katrina Edwards, University of Southern California
  66.  James Eflin, Ball State University
  67.  Aaron M Ellison, Harvard University
  68.  Sophia Engel, Lund University
  69.  James E Evans, Bowling Green State University
  70.  Brian D Fath, Towson University
  71.  Jonathan Fink, Arizona State University
  72.  Matthew L Forister, University of Nevada,  Reno
  73.  Ian Foster, University of Chicago/Argonne
  74.  Allan Frei, Hunter College
  75.  Peter C Frumhoff, Union of Concerned Scientists
  76.  Bill Fulkerson, University of Tennessee
  77.  Jed Fuhrman, University of Southern California
  78.  Fabrizio Gabbiani, Baylor College of Medicine
  79.  Deborah Rigling Gallagher, Duke University
  80.  Josh Galster, Montclair State University
  81.  Frederick R Gehlbach, Baylor University
  82.  Orin G Gelderloos, University of Michigan-Dearborn
  83.  Thomas W Giesen, Oregon State University
  84.  Sarah Gilman, The Claremont Colleges
  85.  Peter H Gleick, Pacific Institute
  86.  Steven Goodbred, Vanderbilt University
  87.  Eban Goodstein, Bard College
  88.  Vivien Gornitz, Columbia University
  89.  Julian W Green, University of South Carolina Upstate
  90.  Alden Griffith, Wellesley College
  91.  Eric C Grimm, Illinois State Museum
  92.  Jude W Grosser, University of Florida
  93.  Robert L Grossman, University of Colorado (retired) and American Meteorological Association
  94.  Andrew Gunther, Union of Concerned Scientists
  95.  Peter Guttorp, University of Washington
  96.  Peter M Haas, University of Massachusetts Amherst
  97.  Brian Hagenbuch, Hartwick College
  98.  Nelson G Hairston,  Jr, Cornell University
  99.  Healy Hamilton, California Academy of Science
  100.  Alan Hamlet, University of Washington
  101.  Michael Hanemann, University of California,  Berkeley
  102.  Carol Harden, University of Tennessee
  103.  Robert Harriss, Houston Advanced Research Center
  104.  Anthony S Hartshorn, James Madison University
  105.  David Hassenzahl, University of Nevada Las Vegas
  106.  Paul Hearty, University of North Carolina at Wilmington
  107.  Robert T Heath, Kent State University
  108.  Michael K Heiman, Dickinson College
  109.  Brian Helmuth, University of South Carolina
  110.  Lamont C Hempel, University of Redlands
  111.  Dennis Hibbert, The Evergreen State College
  112.  Jeffrey A Hicke, University of Idaho
  113.  Malcolm Hill, University of Richmond
  114.  Paul F Hoffman, Harvard University
  115.  Michael P Hoffmann, Cornell University
  116.  Michael Hoos, Duke University
  117.  Richard Horan, Michigan State University
  118.  Peter W Houlihan, University of Massachusetts Amherst
  119.  John J Hren, North Carolina State University
  120.  Matthew Huber, Purdue Univesity
  121.  Malcolm Hughes, University of Arizona
  122.  Bruce A Hungate, Northern Arizona University
  123.  David Hutchins, University of Southern California
  124.  David W Inouye, University of Maryland
  125.  Detelina Ivanova, Lawrence Livermore National Laboratory
  126.  Robert Jacob, Argonne National Laboratory
  127.  Charles Jackson, University of Texas at Austin
  128.  Dale Jamieson, New York University
  129.  Tracie Jenkins, The University of Georgia
  130.  Raymond Johnson, Institute of Climate Studies USA
  131.  Gregory V Jones, Southern Oregon University
  132.  R Christian Jones, George Mason University
  133.  Andrew Jorgenson, University of Utah
  134.  L Alex Kahl, Rutgers University and Palmer Station,  Antarctica
  135.  Jeffrey Kargel, University of Arizona
  136.  James Kasting, Pennsylvania State University
  137.  Darrell S Kaufman, Northern Arizona University
  138.  Patricia M Keilbach, University of Colorado at Colorado Springs
  139.  Klaus Keller, Pennsylvania State University
  140.  Marcus M Key, Dickinson College and the University of East Anglia
  141.  Jeffrey Kiehl, National Center for Atmospheric Research
  142.  Tom Kimmerer, Moore Ventures
  143.  David E Kitchen, University of Richmond
  144.  Peter LK Kneupfer, Binghamton University
  145.  Greg Knight, Pennsylvania State University
  146.  George W Koch, Northern Arizona University
  147.  Carla Koretsky, Western Michigan University
  148.  Kirk Korista, Pennsylvania State University
  149.  Michael E Kraft, University of Wisconsin – Green Bay
  150.  Michael A Kruge, Montclair State University
  151.  Kelly Kryc, Gordon and Betty Moore Foundation
  152.  Lee Kump, Pennsylvania State University
  153.  Gabriela Kutting, Rutgers University (Newark)
  154.  Ron Kwok, Jet Propulsion Laboratory
  155.  Venkat Lakshmi, University of South Carolina
  156.  Patricia Romero Lankao, National Center for Atmospheric Research
  157.  Neil Leary, Dickinson College
  158.  Tali D Lee, University of Wisconsin Eau Claire
  159.  Robert Lempert, RAND
  160.  Mark D Levine, Lawrence Berkeley National Laboratory
  161.  Sydney Levitus, World Data Center for Oceanography
  162.  Richard L Lindroth, University of Wisconsin-Madison
  163.  Karen Litfin, University of Washington
  164.  Thomas E Lovejoy, The Heinz Center for Science,  Economics and the Environment – George Mason University
  165.  David Lusch, Michigan State University
  166.  Michael C MacCracken, Climate Institute
  167.  David C Major, Columbia University
  168.  Thomas F Malone, Retired - AGU,  AMS,  NAS,  ICSU
  169.  Scott Mandia, Suffolk County Community College
  170.  Michael Mann, Pennsylvania State University
  171.  Frances Mathews, Emeritus Professor, California State University, Fullerton
  172.  Charles A McClaugherty, Mount Union College
  173.  Brock R McMillan, Brigham Young University
  174.  Linda Mearns, National Center for Atmospheric Research
  175.  Gerald Meehl, University Corporation for Atmospheric Research
  176.  Duncan Menge, National Center for Ecological Analysis and Synthesis
  177.  Joseph P Messina, Michigan State University
  178.  Kathleen Miller, National Center for Atmospheric Research
  179.  Evan Mills, Lawrence Berkeley National Laboratory
  180.  Elizabeth Milroy, Wesleyan University
  181.  Ronald B Mitchell, University of Oregon
  182.  Gregory Moller, University of Idaho
  183.  William R Moomaw, Tufts University
  184.  Kailen Mooney, University of California at Irvine
  185.  Nathan Moore, Michigan State University
  186.  Brian W Moores, Randolph-Macon College
  187.  David Morrison, NASA Ames Research Center
  188.  Susanne C Moser, University of California-Santa Cruz & Susanne Moser Research and Consulting
  189.  Stephen Mulkey, University of Idaho
  190.  Meredith Ferdie Muth, University of Virginia and National Oceanic and Atmospheric Administration
  191.  Benjamin Naecker, University of Texas at Austin
  192.  Ronald P Neilson, Oregon State University
  193.  Riley Nelson, Brigham Young University
  194.  Jullia Nerbonne, University of Minnesota
  195.  Richard B Norgaard, University of California,  Berkeley
  196.  Valentine Nzengung, University of Georgia
  197.  Rick Oches, Bentley University
  198.  Mary O’Connor, National Center for Ecological Analysis and Synthesis
  199.  Dennis Ojima, Colorado State University
  200.  Jennifer M Olson, Michigan State University
  201.  Michael Oppenheimer, Princeton University
  202.  Catherine O’Reilly, Bard College
  203.  Richard S Ostfeld, Cary Institute of Ecosystem Studies
  204.  Jonathan Overpeck, University of Arizona
  205.  Mike Palmer, Oklahoma State University
  206.  Michael Papaik, Sonoma State University
  207.  Christopher Paradise, Davidson College
  208.  Randall Parkinson, RWParkinson Consulting, Inc.
  209.  Edward Parson, University of Michigan
  210.  Jonathan Patz, University of Wisconsin – Madison
  211.  Marshall Perrin, University of California, Los Angeles
  212.  Rolf O Peterson, Michigan Technological University
  213.  Shelley B Petroy, Ball Aerospace & Technologies Corp
  214.  Tom Phillips, Lawrence Livermore National Laboratory
  215.  Thomas Piechota, University of Nevada,  Las Vegas
  216.  Kenneth Piers, Calvin College
  217.  Karen R Polenske, Massachusetts Institute of Technology
  218.  Henry N. Pollack, University of Michigan
  219.  Leonid Polyak, Ohio State University
  220.  Gregory A Pope, Montclair State University
  221.  James Powell, University of Southern California
  222.  Susan E Powers, Clarkson University
  223.  Thomas H. Pritchett, Cedar Crest College
  224.  Maureen Raymo, Boston University
  225.  Robert B Richardson, Michigan State University
  226.  Eric M Riggs, Purdue University
  227.  J Timmons Roberts, Brown University
  228.  G Philip Robertson, Michigan State University
  229.  Michael Roden, University of Georgia
  230.  Terry Root, Stanford University
  231.  Joseph Rouse, Wesleyan University
  232.  Brad Rowe, Michigan State University
  233.  Dana Royer, Wesleyan University
  234.  Steven Rudnick, Retired,  University of Massachusetts Boston
  235.  Steven W Running, University of Montana
  236.  Summer Rupper, Brigham Young University
  237.  Philip B Russell, NASA Ames Research Center
  238.  Krystal Rypien, Scripps Institution of Oceanography
  239.  Dork Sahagian, Lehigh University
  240.  Nicanor Z Saliendra, University of Maryland,  Baltimore County
  241.  Robert L Sanford, University of Denver
  242.  Robert J Santoro , The Pennsylvania State University
  243.  Ron Sass, Rice University
  244.  John Savino, Lamont Doherty Earth Observatory of Columbia University
  245.  Dave Schimel, NEON,  Inc
  246.  Joshua Schimel, University of California,  Santa Barbara
  247.  Lee Schipper, Global Metropolitan Studies
  248.  Paul Schopf, George Mason University
  249.  Miranda Schreurs, Freie Universitat Berlin (US scientist)
  250.  Edward Schuur, University of Florida
  251.  Kim Scipes, Purdue University North Central
  252.  Kevin G Sellner, Chesapeake Research Consortium
  253.  David W Seybert, Duquesne University
  254.  Karen Shein, NOAA National Climatic Data Center
  255.  Harry Shipman, University of Delaware
  256.  CK Shum, Ohio State University
  257.  Laurence Simon, Brandeis University
  258.  Michael Singer, Wesleyan University
  259.  Jack W Sites,  Jr, Brigham Young University
  260.  Adam Joshua Smargon, University of Delaware
  261.  Joel Smith, Stratus Consulting,  Inc
  262.  Kirk R Smith, University of California,  Berkeley
  263.  William Solecki, City University of New York
  264.  Richard CJ Somerville, University of California,  San Diego
  265.  Gerilyn S Soreghan, University of Oklahoma
  266.  Gus Speth, Yale University
  267.  James R Spotila, Drexel University
  268.  Paul F Steinberg, Harvey Mudd College
  269.  Paula Steinker, Bowling Green State University
  270.  Leigh Stearns, University of Kansas
  271.  Mark Stewart, University of South Florida
  272.  Ronald Stoner, Bowling Green State University
  273.  Robert Stottlemyer, Michigan Technological University
  274.  Anthony W Strawa, NASA Ames Research Center
  275.  Kenneth Strzepek, Massachusetts Institute of Technology
  276.  William Sullivan, University of Illinois
  277.  Sonia Sultan , Wesleyan University
  278.  John Swaddle, College of William and Mary
  279.  Sarah Swope, USDA ARS Exotic and Invasive Weeds Research Group,  Albany CA
  280.  Karyn Tabor, Conservation International
  281.  Philip L Taylor, Case Western Reserve University
  282.  Claudia Tebaldi, Climate Central
  283.  Richard E Teets, Delphi Research Labs
  284.  Philip G Terrie, Bowling Green State University
  285.  Pam Thinesen, Century College
  286.  Robert H Thomas, Consultant to SIGMA Space and NASA/Wallops
  287.  Dennis Tirpak, Retired from EPA and OECD
  288.  Kevin E Trenberth, National Center for Atmospheric Research
  289.  Robert W Turner, Colgate University
  290.  Stephen R Turns, The Pennsylvania State University
  291.  Nadine Unger, NASA Goddard Institute for Space Studies and Columbia University
  292.  Cornelis J van der Veen, University of Kansas
  293.  Moira van Staaden, Bowling Green State University
  294.  Johan Varekamp, Wesleyan University
  295.  Robert L Vertrees, Ohio State University
  296.  Norman J Vig, Carleton College
  297.  Robert K Vincent, Bowling Green State University
  298.  Edward Vine, Lawrence Berkeley National Laboratory
  299.  Brian Walker, Nova Southeastern University
  300.  Caryl Waggett, Allegheny College
  301.  Warren M. Washington, National Center for Atmospheric Research
  302.  Darryn Waugh, John Hopkins University
  303.  Spencer Weart, American Institute of Physics (retired) 
  304.  Mort Webster, Massachusetts Institute of Technology
  305.  C Susan Weiler, Whitman College
  306.  Judith S Weis, Rutgers University
  307.  Sheri Wells-Jensen, Bowling Green State University
  308.  David A White, Loyola University
  309.  Tom Wigley, National Center for Atmospheric Research
  310.  Thomas Wilbanks, Oak Ridge National Laboratory 
  311.  Jeffrey Wishart, eTec (Electric Transportation Engineering Corporation)
  312.  Mick Womersley, Unity College
  313.  Dorothy Woolum, California State University, Fullerton
  314.  Warren W Wood, Michigan State University
  315.  Kateryna M Wowk, University of Delaware
  316.  Brent Yarnal, Pennsylvania State University
  317.  Tamin Younos, Virginia Tech University
  318.  Ben Zaitchik, Johns Hopkins University
  319.  Craig Zirbel, Bowling Green State University
  320.  Douglas Zook, Boston University