Science
Past river activity in northern Africa reveals multiple Sahara greenings – EurekAlert
The analysis of sediment cores from the Mediterranean Sea combined with Earth system models tells the story of major environmental changes in North Africa over…
IMAGE: Engraving of Giraffes near Gobero in Niger, ca. 8,000 yrs old, witness green times in the desert.
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Credit: Mike Hettwer, 2006, www.hettwer.com
Large parts of today’s Sahara Desert were green thousands of years ago. Prehistoric engravings of giraffes and crocodiles testify to this, as does a stone-age cave painting in the desert that even shows swimming humans. However, these illustrations only provide a rough picture of the living conditions. Recently, more detailed insights have…
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