Voice of America: Population growth threatens to strain Earth's water and food resources. By 2050, nine billion people will be living on the planet, up from six billion today. The problem facing the world community is how to meet those needs while reining in the global greenhouse gases warming the earth. Advances and losses Progress has been made. Since world leaders met in Rio de Janeiro, Brazil, for the first Earth Summit on Sustainable Development 20 years ago, global poverty has fallen by half, per capita...
URL: http://www.voanews.com/content/soaring-population-stresses-world-resources/1586525.html
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