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http://www.worldchanging.com/archives/009214.html
Global Warming Animated
Sarah Kuck
December 18, 2008
Climate change is an enormously complex issue. Some scientists have dedicated their entire lives to researching it. They’ve discovered its causes (ahem, that’d be us) and have come up with some hypotheses about what will happen if we don’t act soon (rising sea levels, violent storms, desertification, melting ice caps, etc).
But many people are still at varying levels of understanding when it comes to climate change: the science behind it, how it will affect our daily lives, the policies being proposed and what do to about it.
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DESERTIFICATION 