Holding Back the Sahara DIANA S. POWERS Overgrazing and climate change are the major causes of the desert’s advance. Eleven countries are planting trees in a 4,400-mile long belt to fend off its encroachment. November 19, 2014 at 12:00AM http://nyti.ms/1uDUK5N http://nyti.ms/1u64EaV The New York Times Business Day Environment

By DIANA S. POWERS via NYT / Eethg. Corps. Inc. / Terrence Herschel G. Business Day http://nyti.ms/1uDUK5N Holding Back the Sahara November 19, 2014 at 12:00AM http://nyti.ms/1u64EaV The New York Times