GPSO 2009 Pledges

Below are some of the people who Pledged in the original GPSO, February 2009.

  1. John Burton, Author; CEO, World Land Trust (, Suffolk, UK
  2. Jon M. Erlandson, Ph.D., Professor of Anthropology; Knight Professor of Arts and Sciences; Executive Director, Museum of Natural and Cultural History; Co-Editor, Journal of Island and Coastal Archeology, University of Oregon
  3. Kelpie Wilson, Author; Environmental Writer; Former Environmental editor at Truthout
  4. Katharine Milton, Ph.D., Professor, Environmental Science, Policy & Management, University of California, Berkeley
  5. Les U. Knight, Editor, These EXIT Times
  6. Halvor Stormoen, Earth Charter Norway
  7. Peter H. Raven, Ph.D., Author; Past President, American Association for the Advancement of Science; George Engelmann Professor of Botany, Washington University – St. Louis; President, Missouri Botanical Garden
  8. Asghar M. Fazel, Ph.D., Coordinator of the Conservation Commons, Senior Advisor to UNEP-WCMC, Cambridge, UK
  9. Walter L. Williams, Ph.D., Professor of Anthropology, History, and Gender Studies, University of Southern California
  10. Vicki Watson, Ph.D., Professor of Environmental Studies, University of Montana
  11. Coby Beck, Environmental and Climate Change Writer,,
  12. Victoria Serda, Municipal Councillor, Saugeen Shores, Ontario; Climate Project Canada, Lead Mentor & Presenter
  13. Peter Walsh, Ph.D., Department of Primatology, Max Plank Institute for Evolutionary Anthropology, Leipzig, Germany
  14. Arend de Haas, Director of Conservation, African Conservation Foundation, Kenya (
  15. Michael Healey, Ph.D., Professor Emeritus, Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, Canada
  16. Paulo Simas, Green Party Candidate and Activist, Toronto, Canada
  17. Jeffry Schabilion, Ph.D., Professor, Paleobotany and Paleoecology, Department of Biology, University of Iowa
  18. Jack Santa Barbara, Director, The Sustainable Scale Project (; Director, Sustainable Villages Limited
  19. Laura E. Jones, Ph.D., Senior Researcher, Mathematical Biology & Theoretical Ecology, Department of Ecology and Evolutionary Biology, Cornell University
  20. “GrrlScientist,” Ph.D., Evolutionary Biologist, Ornithologist, Freelance Science and Nature Writer,
  21. Thomas A. Gavin, Ph.D., Associate Professor, Conservation Biology, Population Ecology, Department of Natural Resources, Cornell University; DrTom Building an Environmental Community (
  22. Jugal Kishore, M.D., MSc. (Sustainable Development), Professor of Community Medicine, Maulana Azad Medical College, University of Delhi, New Delhi 110002, India
  23. David W. Winkler, Ph.D., Professor and Faculty Curator of Birds, Stephen H. Weiss Presidential Fellow, Museum of Vertebrates and Department of Ecology & Evolutionary Biology, Cornell University
  24. Staffan Ulfstrand, Ph.D., Professor Emeritus, Dept of Animal Ecology, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden
  25. Michael Griesser, Ph.D., Population Biology, Department of Ecology and Evolution, Uppsala University, Uppsala, Sweden
  26. Steven Earl Salmony, Ph.D., Psychologist; Founder, AWAREness Campaign on the Human Population
  27. M. F. Makhdoum, Ph.D., Professor and Chair of Environmental Studies, Faculty of Natural Resources; Founder of the Department of the Environment, University of Tehran, Iran
  28. Emily Gertz, Environmental Journalist; Editor, Stop Global Warming blog (
  29. Robert B. Textor, Professor Emeritus, Anthropology, Stanford University
  30. Georgianne Nienaber, Author; Journalist, Producer, Investigative Environmental Writer
  31. Hanno Schaefer, Ph.D., Marie Curie Research Fellow, Ecology and Evolutionary Biology, Imperial College London, UK
  32. Shrirang Ramchandra Yadav, Professor, Department of Botany, University of Delhi, Delhi 110007, India
  33. Alan Weisman, Author, The World Without Us; Senior Editor and Producer, Homelands Productions; Laureate Professor of Journalism, University of Arizona
  34. Jeffrey Cohen, Ph.D., Associate Professor of Anthropology, Ohio State University
  35. Rachel Clark, Science and Environment Writer (Clients include the Earth & Sky radio series and Rocky Mountain Biological Laboratory.)
  36. Jerry Mander, Author; Social Activist; Director and Founder, International Forum on Globalization
  37. Lucas N. Joppa, University Program in Ecology, Nicholas School of the Environment, Duke University
  38. Wallace “J.” Nichols, Ph.D., Research Associate, California Academy of Sciences; Co-Director, Ocean Revolution (
  39. Fatima Matos Almeida, President, ASPEA – Portuguese Association for Environmental Education (, Lisbon, Portugal
  40. Martin Rundkvist, Ph.D., Archeologist, Managing Editor, Fornvännen Archaeological Journal, Stockholm, Sweden; Science Writer,
  41. Navjot S. Sodhi, Ph.D., Professor, Conservation Biology, Environmental Management and Ecology, Department of Biological Sciences, National University of Singapore
  42. W. Jean Yeung, Ph.D., Professor, Department of Sociology and Asia Research Institute, National University of Singapore/New York University
  43. David Bickford, Ph.D., Assistant Professor, University Scholars Programme, Department of Biological Sciences, Faculty of Science, National University of Singapore
  44. C. M. (Tilly) Collins, Ph.D., Teaching Fellow, Centre for Environmental Policy & Department of Biology, Imperial College London, UK
  45. Jorge Gutierrez, Ph.D., President, Grupo de Investigación y Educación en Temas Ambientales (GrIETA), Mar del Plata, Argentina; Visiting Scientist, Cary Institute of Ecosystem Studies, Millbrook, New York
  46. Serita D. Frey, Ph.D., Associate Professor of Environmental Sciences, Department of Natural Resources & the Environment, University of New Hampshire
  47. Robin Winkler, Taiwan Friends of the Global Greens; Founder, Wild at Heart Legal Defense Association (
  48. Dale Allen Pfeiffer, Novelist, Geologist, Musician, The Mountain Sentinel (
  49. Stuart Pimm, Ph.D., Author; Doris Duke Professor of Conservation Ecology, Nicholas School of the Environment, Duke University; Extraordinary Professor, Conservation Ecology Research Unit, Department of Zoology and Entomology, University of Pretoria, South Africa
  50. Edd Doerr, Author; President, Americans for Religious Liberty
  51. Frank M. Rauch, Environmental Scientist, Bremen, Germany, World Union for Protection of Life
  52. Robert J. Levine, M.D., Professor of Medicine and Lecturer in Pharmacology; Director, Law, Policy and Ethics Core, Center for Interdisciplinary Research on AIDS; Co-Chair, Executive Committee, Interdisciplinary Bioethics Project, Yale University
  53. Diana H. Wall, Ph.D., Director, School of Global Environmental Sustainability; Professor of Biology & Senior Research Scientist, Natural Resource Ecology Laboratory, Colorado State University
  54. Martin Desvaux, Ph.D., C.Phys., Trustee, Optimum Population Trust, UK
  55. DeLene Beeland, Freelance Science Writer (; Former Staff Writer, Florida Museum of Natural History, University of Florida
  56. Arthur H. Westing, M.F., Ph.D., Author; Environmental Consultant; Former Senior Researcher, Stockholm International Peace Research Institute
  57. George Plumb, Co-Founder, President, Vermonters for a Sustainable Population (
  58. Jonathan Baron, Ph.D., Author; Professor of Psychology, University of Pennsylvania
  59. David J. Mladenoff, Ph.D., Beers-Bascom Professor in Conservation, Dept. of Forest & Wildlife Ecology, University of Wisconsin-Madison
  60. Richard Kaziny, Political Activist, (
  61. Charles Convis, Co-Founder, International Society for Conservation GIS (; Founder, ESRI Conservation Program (
  62. Luca Pardi, Ph.D., Research Scientist, Institute for Chemical-Physical Processes, National Research Council, Pisa, Italy; Association for the Study of Peak Oil & Gas, Italy
  63. Mark Rogers, Ph.D. Candidate, Computational Biology, Colorado State University
  64. Robert D. Wells, Ph.D., Director, Center for Genome Research, Institute of Biosciences and Technology; Robert A. Welch Endowed Professor of Chemistry, Texas A&M University
  65. Harvey Wasserman, Author, SOLARTOPIA! Our Green Powered Earth; Editor,
  66. Jim Just, Land Use Activist; Executive Director, Goal One Coalition (
  67. Linn Duvall Harwell, Vice-Chair, New England Coalition for Sustainable Population (
  68. George Mobus, Ph.D., Associate Professor, Institute of Technology, Computing & Software Systems, University of Washington, Tacoma (Blog –
  69. Corey Bradshaw, Ph.D., Associate Professor, Aquatic Sciences, University of Adelaide and South Australian Research and Development Institute; Research Director of Marine Impacts, Research Institute for Climate Change and Sustainability, University of Adelaide, Australia (Blog –
  70. Ross Jackson, Ph.D., Author; Chairman, Gaia Trust, Denmark (; Founder/Director, Gaia Education Limited (
  71. Barbara Herbstman, Ph.D., Civic and Social Activist
  72. John M. Reid Ph.D., Honorary Senior Research Fellow, School of Psychology, Psychiatry, and Psychological Medicine; Faculty of Medicine, Nursing, and Health Sciences, Monash University, Australia
  73. E. N. Anderson, Ph.D., Professor Emeritus, Anthropology, University of California, Riverside
  74. Name Removed
  75. A. J. Solomon Raju, Ph.D., Associate Professor, Department Of Environmental Sciences, College of Science & Technology, Andhra University, Visakhapatnam, India
  76. Joellen Gilchrist, Environmental Activist; Retired Teacher, Detroit Public Schools
  77. Richard Grossman MD, Author; MPH Obstetrician-gynecologist; Population Activist (
  78. René Monet, Author; Agronomic Engineer; Retired Director of Research, National Institute for Agronomic Research, France (Blog:
  79. Bruce Lahn, Ph.D., Professor, Department of Human Genetics, University of Chicago; Investigator, Human Evolution and Stem Cell Biology, Howard Hughes Medical Institute
  80. Alan Kuper, Ph.D, President, CUSP – Comprehensive (approach to) U.S. Sustainable Population [Note: Sadly, Alan Kuper died in December, 2008. We leave his name on the list in memoriam.]
  81. William H. Schlesinger, Ph.D., Biogeochemist; President, Cary Institute of Ecosystem Studies, Millbrook, New York
  82. G. M. Narasimha Rao, Ph.D., Assistant Professor, Department of Botany, Ecological Study of Marine and Estuarine Algae, Andhra Unversity, Visakhapatnam, India
  83. Mary E. Siefert Zander, Ph.D. (Biomedical Sciences), Medical Writer
  84. John R. Coulter, Ph.D., President, Sustainable Population Australia
  85. Carlo Consiglio, Former Professor of Zoology, Sapienza University of Rome (Retired), Italy
  86. Ed Spooner, Ph.D., Professor, W. M. Keck Chair in Geology, Department of Geology, University of Toronto, Canada
  87. David Kault, M.D., Ph.D., Research Foci Including Epidemiological Modeling, School of Mathematical and Physical Sciences, James Cook University; President, North Queensland Branch, Sustainable Population Australia
  88. Jenny Goldie, National Secretary, President – ACT Branch, Sustainable Population Australia
  89. Patricia Weaver, Ph.D., Plant Biochemist (Retired), University of Western Australia; Vice President, Western Australia Branch, Sustainable Population Australia
  90. Bruce Wright, Executive Director, Conservation Science Institute (
  91. Emanuel Epstein, Ph.D., Professor of Plant Nutrition and Botany, Plant Physiologist, Active Emeritus, Department of Land, Air and Water Resources, University of California, Davis
  92. Prity Pugo-Gunsam, Ph.D., Head of Department of Health Sciences, University of Mauritius, Reduit, Mauritius
  93. Dr. Smita Goorah, MBBCh, MRCP, Department of Medicine, University of Mauritius, Reduit, Mauritius
  94. August Anson, Science Writer; Author, What Every Citizen Should Know About Our Planet
  95. F. B. Vincent Florens, Ph.D., Senior Lecturer in Ecology, Department of Biosciences, University of Mauritius, Reduit, Mauritius
  96. Andy Streich, M.Sc., Writer, Engineering Manager, Activist
  97. The Bridge, Community Newspaper of Montpelier, Vermont (
  98. Sam Huntsmith, Environmental Activist, UK
  99. Lisa Sammet, Board Member, Vermonters for a Sustainable Population (
  100. Jack Marshall, Ph.D., Anthropologist; President, Advocates for a Sustainable Albemarle Population (ASAP) (
  101. Bill Dowling, Friends of the Earth, Group Coordinator, Bracknell Berkshire, UK.
  102. Haldun Abdullah, Ph.D., Professor of Electrical Engineering (Retired), Sakarya University, Turkey
  103. Kirsten Stade, Science Reporter; Conservation Biologist
  104. Edouard Jurkevitch, Ph.D., Professor, Department of Plant Pathology and Microbiology, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Israel
  105. Nicole Rosmarino, Ph.D., Wildlife Program Director, WildEarth Guardians (
  106. Robert Ukeiley, Environmental Law, Law Office of Robert Ukeiley, Berea, Kentucky
  107. Robert Fireovid, Ph.D., Citizens for a Steady State Economy
  108. Michael Dietz, Ph.D., Assistant Professor and Extension Specialist in Sustainable Living, Department of Environment and Society, Utah State University
  109. Luigi Boitani, Ph.D., Professor, Conservation Biology and Animal Ecology, Chair of the Department of Animal and Human Biology, Sapienza University of Rome; President Elect of the Society for Conservation Biology; Scientific Committee, WWF, Italy
  110. Jane E. Powell, Author; Historic Home Preservation Consultant; Columnist, The Berkeley Daily Planet
  111. Tom Horton, Author; Former Environmental Reporter, The Baltimore Sun; Professor, Salisbury University
  112. Karen Shragg, Author; Naturalist; Environmentalist (Blog:
  113. Ross McCluney, Ph.D., Environmental Policy Author; Principle Research Scientist (Retired), Florida Solar Energy Center,  A Research Institute of the University of Central Florida
  114. Roger Plenty, Member, Optimum Population Trust, UK
  115. Leon Kolankiewicz, Consulting Environmental Scientist; Wildlife Ecologist; Natural Resources Planner
  116. Frosty Wooldridge, Six Continent Bicyclist; Teacher; Author, America on the Brink: The Next Added 100 Million Americans
  117. Sheila Newman, Editor and Author, The Final Energy Crisis, 2nd ed., Pluto Press, UK; Population, Energy and Environmental Sociologist, Australia
  118. Jane Roberts, Cofounder, 34 Million Friends of the United Nations Population Fund (; Author, 34 MILLION FRIENDS of the Women of the World
  119. Jan P. Juffermans, De Kleine Aarde/The Small Earth (, Boxtel, Netherlands
  120. John Guillebaud, Emeritus Professor of Family Planning & Reproductive Health, University College London, and Churchill Hospital Oxford, UK
  121. Evan Jones, Director, Whoa Nellie Foundation
  122. Garry Egger, M.P.H., Ph.D., Director, Centre for Health Promotion and Research, Sydney, Australia; Professor, Lifestyle Medicine and Applied Health Promotion, Southern Cross University, Lismore NSW Australia
  123. Bruce Howard, Writer and Activist
  124. Joseph J Bookstein, M.D., Professor Emeritus Radiology, University of California, San Diego; Past Founding Member and Vice-President, Physicians for Social Responsibilty, San Diego
  125. Hsueh-Wen Chang, Ph.D., Professor and Chairperson, Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan 804, Republic of China
  126. Jelle Reumer, Ph.D., Director, Rotterdam Natural History Museum; Professor of Vertebrate Paleontology at Utrecht University, Netherlands
  127. Yeh Ling-Ling, Executive Director, Alliance for a Sustainable USA (
  128. Will Mahoney, Senior Environmental Scientist; Registered Professional Geologist (Wyoming); Wilderness Advocate
  129. David Robinson, D.Phil., Professor of Psychology, Department of Community Medicine and Behavioural Sciences, Faculty of Medicine, Kuwait University
  130. Yuji Ishiguro, Ph.D., Research Scientist, Institute of Adavanced Studies (Instituto de Estudos Avançados-IEAv), Sao Jose dos Campos, SP, Brazil
  131. Alexander Seghers, Environmental Activist, StopCO2 (, Cádiz, Spain
  132. Rose Adams, Environmental Activist, Australia
  133. David Borton, Ph.D., Adjunct Professor of Mechanical Engineering (Solar Devices and Energy), Rensselaer Polytechnic Institute
  134. Alan Ditmore, Contraception Activist (
  135. Val Allen, Author; Population Activist, Alberta Canada
  136. Gregary Boyles, Sustainability Activist; Indigenous Plants and Landscapes (, Melbourne Region, Australia
  137. Lois Levy, Environmentalist and World Citizen
  138. Melvin Bolton, Author, The Face in the Smaller Picture; Retired Ecologist, Food and Agriculture Organization of the United Nations; Member, Sustainable Population Australia
  139. Dr. Pip Hayes, G.P., St. Leonards Practice, Exeter, UK
  140. Maurizio Morabito, Senior Consultant, Investment Banking; Social Policy and Science Commentator (, Italy
  141. Marco Perduca, Member, Italian Senate; Secretary of the Extraordinary Commission for the Protection and Promotion of Human Rights, Italy
  142. Marco Cappato, Member, European Parliament, Transnational Radical Party; Member, Foreign Affairs, Civil Liberties, and Human Rights Committees, Italy
  143. Milton Saier, Ph.D., Professor, Department of Molecular Biology, University of California at San Diego
  144. Simon Ross, Business Consultant; Activist
  145. John Rowley, Founder, Editor-in-Chief of Publications, Films, and Internet Operations, Planet 21 (
  146. Tim Magner, Environmental Educator & Children’s Book Author (
  147. Kevin Browning, Founder/Director, Santa Cruz Deep Ecology Resource Center; Sane, Concerned Citizen
  148. Quintijn Hoogenboom, Mathematician; Software/Websites; Member, GroenLinks/GreenLeft, Netherlands
  149. Rebecca Harrington, National Field Coordinator, Population Connection (
  150. Dr. Flip Schrameijer, Social Policy Writer, Netherlands
  151. Jason Bremner, Program Director, Population, Health, and Environment Program, Population Reference Bureau (
  152. Edmund Levering, Population Stabilization Activist
  153. Antonella Spolaor Dentamaro, Italian Campaigns Coordinator, No Peace Without Justice (, Italy
  154. Albert C. Perdeck, Ph.D.,  Biologist (retired), Avian Biology, Dutch Institute of Ecological Research, Netherlands
  155. Sheila Davis, Environmental Activist; President, Sustainable Population Australia, South East Queensland Branch
  156. Georgie Lyng and Andy Hunter, Environment Campaigners and Non-Violent Direct Action Activists, UK
  157. Stephanie Shira, Social Activist (
  158. Eric Green, Ph.D., Associate Professor of Biology, Salt Lake Community College
  159. Kathleene Parker, Environmental and Energy Writer (semi-retired)
  160. Marilyn Hempel, Executive Director, Blue Planet United (
  161. Robert Gillespie, Theatre and Television Professional; Environmental Activist, UK
  162. Omar Osorio, Founder and General Director, Evolución, Ecología de Negocios, México
  163. Gaetano Dentamaro, Member, Transnational Radical Party, Italy (
  164. Donald Mann, President, Negative Population Growth, Inc. (
  165. David Burleson, UNESCO Adviser to Unicef, Retired
  166. Robert Nevin B.ENG., M.D., Environmental Health Peer Presenter, Ontario College of Family Physicians, Lead Physician, Bay College Family Health Group, Toronto, Canada
  167. Steven W. Running, Ph.D., Chapter Author, Intergovernmental Panel on Climate Change; Professor, Forest Ecology, College of Forestry and Conservation, University of Montana
  168. Albert Kaufman, Population Activist; Owner, Albertideation
  169. Megan Argo, Ph.D., Postdoctoral Fellow, Curtin Institute of Radio Astronomy, Australia
  170. David Hankin, Ph.D., Professor and Chair, Department of Fisheries Biology; Acting Associate Dean for Marine Sciences, Humboldt State University
  171. Rick MacPherson, Director, Conservation Programs, Coral Reef Alliance (CORAL)(
  172. Jane Addison, Environmental Scientist, Consultant, and PhD Student, University of South Australia
  173. Hans Tammemagi, Ph.D., School of Environmental Studies, University of Victoria, British Columbia; Environment Columnist, Vancouver Sun, Canada (Blog –
  174. Madeline Weld, President, Population Institute of Canada (
  175. Rosamund McDougall, Policy Director, Optimum Population Trust, UK
  176. Geoff Garver, Sustainability Author; Adjunct Professor of Law, Laval University and University of Montreal, Canada (
  177. Optimum Population Trust, UK (
  178. Randolph Femmer, Biologist/Marine Biologist; Science Writer; and author of Digital Science presentations from Gycolysis to DNA sequencing
  179. Paolo Musumeci, Associazione Rientrodolce; Associazione Liberalivorno & Liberamoneta, Italy
  180. Adrian Fisher, Environmental Activist; Quaker Earthcare Witness; Environmental Concerns Committee, Friends Illinois Yearly Meeting
  181. Tammy Crowe, Ph.D., Food Science and Technology (
  182. Center for Biological Diversity (
  183. Pedro Nieto, Groundwater Protection Researcher; Retired Public Servant, Spain
  184. David Skrbina, Ph.D., Lecturer in Philosophy, University of Michigan-Dearborn
  185. Edward C. Hartman, Environmentalist; Author, The Population Fix (
  186. Victoria Pragnell, Environmental Science Student; volunteer for the “Vida sostenible” foundation (Sustainable Life environmental Foundation), Madrid, Spain
  187. Jeff Hoffman, Attorney; Environmentalist; Former Environmental Activist
  188. Chuck Knutson, Retired Senior Fisheries Biologist, California Dept. of Fish and Game; Member, Committee for a Sustainable World Population, Mother Lode Chapter (California), Sierra Club

Other concerned citizens who have pledged

(We did not make it clear enough previously that anyone can pledge. This list, which we hope will make that clear, is for those who do not identify themselves by any of the professional or other categories used for the list above. It’s members’ efforts will be documented exactly as those of the group above.)

  1. Kurt Dahl, Author (; Amateur Futurist
  2. Ron Dean, Concerned Citizen
  3. John C. Curry, Concerned Citizen
  4. Evelyn Haaheim, Concerned Citizen
  5. Glenn R. Campbell, Concerned Citizen
  6. Erich Vieth, Concerned Citizen; Attorney; Author at Dangerous Intersection (
  7. Mario Callisto, Concerned Citizen
  8. Ralph Risch, Concerned Citizen
  9. Donald C. Fraser, Concerned Citizen
  10. Jason Brent, Attorney and Municipal Judge (Retired)
  11. Michael O’Dell, Concerned Citizen
  12. Nina Dodds, Concerned Citizen; Translator and Editor, South Africa
  13. Jill Ginghofer, Concerned Citizen
  14. Peter Baillie, Concerned Citizen, UK
  15. Allison Bigden, Teacher; Concerned Citizen
  16. Ruth Lyons, Concerned World Citizen
  17. Keith Nimmo, Concerned Citizen, Kuala Lumpur, Malaysia
  18. Graham Cooper, Concerned Citizen
  19. Ona Radtke, Indpendent Human Being
  20. Anthony Domke, Concerned Citizen (
  21. Barbara Grafton, Concerned Citizen, UK
  22. Alp Tilev, Concerned Citizen
  23. Gail Semer, Concerned Citizen
  24. Kathleen Evans, RN, Concerned Earth Citizen
  25. Robert Negut, Concerned Citizen, Romania
  26. Chris Hooymans, Concerned Citizen, Canada
  27. Michael Walker, Concerned Citizen
  28. Suzanne McHale, Concerned Citizen (