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kleinbl00 · 1781 days ago · link · · parent · post: Scientists Use Recycled Sewage Water to Grow 500-Acre Forest in the Middle of Egyptian Desert
Unfortunately it appears that the Sahara is tectonic in origin and has been there since like Gondawanaland was a thing. The Yatir Forest is substantially bigger than Serapium and probably has better long-term hopes; Lebanon isn't called "the Cedars" because they wanted trees. Which doesn't mean they shouldn't try, but it does mean that greening will be easier in places that had trees within the reach of recorded history.