http://blogs.ei.columbia.edu/2011/10/31/how-you-can-help-earth-cope-with-7-billion/ Tapping experts in climate, geology, oceanography, ecology, sustainable development, global health, energy, food and water, State of the Planet captures stories of how the Earth works and how we can sustainably make our lives better. Mon, 20 May 2013 11:16:45 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://blogs.ei.columbia.edu/2011/10/31/how-you-can-help-earth-cope-with-7-billion/comment-page-1/#comment-25305 phan chanh tin Wed, 09 Nov 2011 08:21:17 +0000 http://blogs.ei.columbia.edu/?p=19668#comment-25305 I think if we want to deal this problem, we have to combine with more 200 govement on the planet.

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