1. Population and Resources The club of Rome Paul Ehrlich Thomas Malthus Ester Boserup Julian Simons

2. Links: http://en.wikipedia.org/wiki/Thomas_Malthus http://geography.about.com/od/populationgeography/a/malthus.htm http://www.ucmp.berkeley.edu/history/malthus.html http://www.blupete.com/Literature/Biographies/Philosophy/Malthus.htm http://en.wikipedia.org/wiki/Malthusian_catastrophe http://en.wikipedia.org/wiki/Paul_R._Ehrlich http://www.guardian.co.uk/environment/2008/jul/16/humanconsumption http://en.wikipedia.org/wiki/The_Population_Bomb

3. http://www.clubofrome.org/ http://en.wikipedia.org/wiki/Club_of_Rome http://en.wikipedia.org/wiki/Limits_to_Growth http://en.wikipedia.org/wiki/Ester_B%C3%B6serup http://eh.net/bookreviews/library/federico http://www.popline.org/docs/0531/010510.html http://www.wired.com/wired/archive/5.02/ffsimon_pr.html http://enough_already.tripod.com/dalysimon.htm