The Sahara was once a lush, wet landscape teeming with life

When the Sahara Was Green · 8:35 · Video: PBS Eons · Watch at the source

In short: Thousands of years ago, the Sahara desert experienced a climate shift so dramatic that it transformed into a hospitable environment for humans and animals. This video explores the evidence of this green past and explains how such a radical environmental change occurred.

The Sahara was not always the arid landscape we recognize today. For an extended period, the region enjoyed a climate wet enough to support diverse ecosystems, allowing both human populations and wildlife to thrive in what is now one of the harshest environments on Earth.

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