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Safe Or Scary? The Shifting Reputation Of Glyphosate, AKA Roundup

John Draper pours glyphosate into the tank of his sprayer at the University of Maryland's Wye Research and Education Center. Dan Charles / NPR

National Public Radio

Farmers have been using glyphosate, often under the trade name Roundup, for about four decades. But now it’s under fierce attack, accused of causing cancer. In three civil cases so far, U.S. juries have ordered Roundup’s inventor, Monsanto, now owned by Bayer, to pay enormous damages to cancer survivors. Thousands more lawsuits have been filed. For this chemical, and for Monsanto, it’s a stunning change in fortunes.