Republican lawmakers want the Biden Administration to withdraw its brief before the Supreme Court in a case involving the Environmental Protection Agency's federal registration authority of Roundup. John Boozman of Arkansas, the top Republican on the Senate Ag Committee, and Glenn GT Thompson, the top Republican on the House Ag Committee, penned the request in a letter Monday. The Republican leaders question the White House's rationale for filing the brief based on a "change in administration" and seek answers as to why the Solicitor General modified its long-standing position that EPA maintains federal preemption authority on all crop protection tools without consulting the relevant agency subject matter experts.

The lawmakers wrote, “Such a reversal coupled with the lack of consultation with subject matter experts is incredibly concerning.”

If the Ninth Circuit's decision is left in place, the lawmakers say growers will lose a critical tool from their toolbox, and EPA’s registration process would evolve into a state-by-state patchwork.

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