View Single Post
Old 02-13-2012, 11:41 PM   #67 (permalink)
jamesqf
Master EcoModder
 
Join Date: Jun 2008
Location: Earth
Posts: 5,209
Thanks: 225
Thanked 811 Times in 594 Posts
Quote:
Originally Posted by Arragonis View Post
On what basis ?
A rough estimate, of course, based on things like degradation of farmlands, conversion of forest/grassland to farm/grazing, then to desert, dependence of agriculture & food distribution on rapidly-diminishing supplies of petroleum, the percentage of the population forced to live in the human equivalent of cattle feedlots (AKA cities), etc.
  Reply With Quote