A Study Is Retracted, Renewing Concerns About the Weedkiller Roundup

Problems with a 25-year-old landmark paper on the safety of Roundup’s active ingredient, glyphosate, have led to calls for the E.P.A. to reassess the widely used chemical. https://static01.nyt.com/images/2025/12/29/climate/CLI-GLYPHOSATE-FIGHT/CLI-GLYPHOSATE-FIGHT-mediumSquareAt3X.jpg