Friday, September 2, 2011

National Geographic Magazine

Posted by s.A at 3:39 PM
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1 comment:

  1. AnonymousSeptember 2, 2011 at 9:33 PM

    so this video says that it is not the space problem, 7 billion people is only the size of LA city, but how about water supply? does our earth has enough water for 7+ billion people?

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