Thursday, 29 September 2016

Longest-lasting deserts are more than 30 million years old

A long, dry past: the Khongoryn Els sand dunes in the Gobi desert, southern MongoliaWolfgang Kaehler/GettyBy Fred PearceCentral Asia may have hosted deserts for longer than anywhere on the planet – and degreening continues in this inner part of the world’s largest continent.
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