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LiveScience: From lakes and grasslands with hippos and giraffes to a vast desert, North Africa's sudden geographical transformation 5,000 years ago was one of the planet's most dramatic climate shifts.
The transformation took place nearly simultaneously across the continent's northern half, a new study finds. The results will appear in an upcoming issue of the journal Earth and Planetary Science Letters.
The findings come from analyses of dust blown west from Africa and dropped into the Atlantic Ocean.......
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Sahara Went from Green to Desert in a Flash
Posted by LiveScience: Becky Oskin on April 5th, 2013
Posted in Water Conservation