Monsanto v. Durnell · ¶7

Under authority granted by the Federal Insecticide, Fungicide, and Rodenticide Act, the Environmental Protection Agency regulates pesticides, including pesticide labels. As relevant here, EPA regulates Roundup, a glyphosate-based pesticide manufactured by Monsanto. Because EPA has repeatedly concluded that glyphosate is not likely to cause cancer, the agency has not required a cancer warning on Roundup’s label. Importantly, EPA’s regulations require a pesticide manufacturer such as Monsanto to use the EPA-approved pesticide label—here, the Roundup label without a cancer warning—unless and until EPA approves or requires a different label. Moreover, to ensure “[u]niformity” in labeling, FIFRA’s preemption clause prohibits States from imposing any pesticide labeling requirements that are “in addition to or different from” the federal labeling requirements “under” FIFRA. 7 U. S. C. §136v(b).

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