Roman Stanek retweeted
World reached #7billion milestone today. @hansrosling still has best explanation of what’s happening, how to manage. b-gat.es/tzW5Xg
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My favorite take on the overpopulation issue is Bartlett's plain arithmetic youtube.com/watch?v=F-QA2rkp… //cc @RomanStanek
Oct 31, 2011 · 11:34 PM UTC