Monsanto's Roundup at the Supreme Court

This week the Supreme Court heard oral arguments in a case that centers on Monsanto and Bayer's weedkiller Roundup—and its active ingredient glyphosate. Maureen Groppe, Supreme Court correspondent for USA Today, and Lianne Sheppard, Rohm and Haas endowed professor of public health at the University of Washington, explain the legal questions and the science, respectively. Photo: Roundup weed killing products are offered for sale at a home improvement store on May 14, 2019 in Chicago, Illinois. Credit: Scott Olson/Getty Images. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Episode metadata supplied by the publisher feed · Published Apr 28, 2026

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The legal affairs and the science at the center of yesterday's oral arguments on the weedkiller Roundup and its active chemical glyphosate.

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Monsanto's Roundup at the Supreme Court

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