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Did humans create the Sahara desert? New research

challenges the idea that changes in the Earth's orbit

triggered Sahara desertification, Frontiers, March 14, 2017




David K. Wright. Humans as Agents in the Termination

of the African Humid Period. Frontiers in Earth Science,

2017; 5 DOI: 10.3389/feart.2017.0000






Paul H.

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Before the last ice age the Sahara desert was verdant plains, with all kinds of herbivores .

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