TIL that the Sahara desert is vastly expanding. 12 African nations have banded together pledging to build a 9 mile wide band of trees, that will stretch across Africa (4,750 miles), called “the Green Wall,” to halt its expansion.

http://www.atlasobscura.com/places/the-great-green-wall-of-africa



Submitted April 16, 2015 at 07:19PM by Nugatorysurplusage http://www.reddit.com/r/todayilearned/comments/32sz7r/til_that_the_sahara_desert_is_vastly_expanding_12/