Sunday bump for my Smithsonian cover story.
The Sahara Desert Hasn’t Always Been a Dry, Desolate Landscape. Some Scientists See Signs It May Be Greening Again - www.smithsonianmag.com/science-natu... @smithsonianmag.bsky.social
Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s water largely receded 6,000 years ago. Could it return?
