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But what changes do global climate change models predict for the Sahara?  The received wisdom in my youth was that the Sahara was expanding due to more droughts and over-grazing.  The time frame for these changes - the last 20 years - suggests that human induces climate change may be having a beneficial effect at least in the Sahel.

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by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Wed Sep 2nd, 2009 at 03:27:24 PM EST
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