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Take the fact that in the next 12 years, we're projected to add another billion people. Since a billion seconds equal 31.7 years, at the rate people are arriving, we can't even count them.
edition.cnn.com/2013/10/15/opinion/weisman-climate-population/
 660    15     Thursday, October 17, 2013    # environment # climate change # overpopulation