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Dr. Feeney conceived of the GPSO idea in 2008 and organized and managed the first Global
Population Speak Out in February 2009. He subsequently arranged for the GPSO franchise, and future GPSO activities, to be managed by the Population Institute, Washington D.C.
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GPSO 2010 increased the number of project endorsers from 32 (in 2009) to 50 in 2010 (including 28 Ph.D's). Under
Population Institute's project management, the number of pledgers had also increased from 216 in 2009 to 386.
61:. The letter is distributed to people interested in human population dynamics, urging them to speak out publicly during the month of February about the growing human population. Scientists, representatives of environmental
65:’s, science writers and activists, along with ordinary concerned citizens are targeted. Finally, the recruits are asked to report their project activities back to the GPSO coordinator, who posts them on the GPSO website.
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At a time when some developed nations are paying citizens to bolster flagging birth-rates (Science, 30 June 2006, p. 1894), a grass-roots group of scientists and environmentalists is calling for a new push to limit human
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The project has three stages. First, a pledge letter explaining GPSO is endorsed by a group of high-profile scientists, activists and celebrities. Over the years, endorsers have included scientists such as
188:, UK, and the USA. The number of Pledgers increased from 386 in 2010 to 1,037 in 2011. Overall, GPSO 2011 achieved participation from individuals from 52 countries.
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After the letter had been signed by 32 persons, GPSO started as a project in the World Wide Web on
September 2008. In October the journal
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GPSO 2011 maintained the number of project endorsers at 50. There were 24 women and 26 men, who represented 16 nations, including:
118:. In November 2009 the Population Institute (PI), established since 1969 in Washington D.C., declared its cooperation with GPSO.
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45:, United States, GPSO is designed to boost public discussion of human population as a key factor in the struggle for
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GPSO 2009 received pledges from 216 persons in at least 17 countries. Among them was
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110:, Emeritus Professor of Family Planning & Reproductive Health,
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33:(GPSO) is its special project. Founded by John Feeney, PhD, an
206:, “Random Samples” section, October 31, Volume 322, Issue 5902
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In 2009, the Global
Population Speak Out was covered in
217:"GPSO 2009 Pledges | Global Population Speak Out"
254:http://www.populationinstitute.org/programs/gpso/
103:(WUPL), which was founded in Luxembourg 1964.
8:
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269:Charities based in Washington, D.C.
101:World Union for Protection of Life
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244:http://www.populationspeakout.org
99:GPSO is being supported by the
1:
130:The Christian Science Monitor
249:https://twitter.com/gpso2011
31:Global Population Speak Out
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172:, Germany, India, Italy,
114:, and former Co-chair of
112:University College London
23:is a charity based in
21:Population Institute
47:sustainable living
43:Boulder, Colorado
27:, United States.
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219:. Archived from
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136:The Times Online
25:Washington, D.C.
16:American charity
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108:John Guillebaud
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55:Paul R. Ehrlich
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59:Dennis Meadows
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37:writer and
227:2011-04-26
192:References
162:Bangladesh
69:Background
49:on earth.
35:ecological
178:Singapore
158:Argentina
152:GPSO 2011
143:GPSO 2010
78:GPSO 2009
41:based in
263:Category
182:Thailand
170:Ethiopia
39:activist
204:Science
124:Science
94:numbers
88:wrote:
85:Science
186:Uganda
57:, and
174:Kenya
166:Chile
133:and
19:The
116:OPT
96:".
63:NGO
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