African Sahara 'greening' can alter Northern Hemisphere climate, modeling study finds
Africa's Sahara Desert may be considered a vast expanse of barren sand with limited vegetation, an extreme environment for ...
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Green Sahara: African Humid Periods Paced by Earth's Orbital Changes
Today, North Africa is one of the largest exporters ... and Liu, Z. Response of the African monsoon to orbital forcing and ocean feedbacks in the middle Holocene. Science 278, 440-444 (1997).