A pioneering study has shed new light on North African humid periods that have occurred over the past 800,000 years and explains why the Sahara Desert was periodically green. The research, published in Nature Communications, showed periodic wet phases in the Sahara were driven by changes in Earth's orbit around the Sun and were suppressed during the ice ages. For the first time, climate scientists simulated the historic intervals of 'greening' of the Sahara, offering evidence for how the timing and intensity of these humid events were also influenced remotely by the effects of large, distant, high-latitude ice sheets in the Northern Hemisphere.

https://www.miragenews.com/research-unveils-cause-and-timeline-of-saharas-1083642/

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