A person walks toward the offices of the U.S. Environmental Protection Agency, days after U.S. President Donald Trump offered buyouts to thin the ranks of civil-service workers, in Washington, U.S., February 3, 2025. Kevin Lamarque/Reuters

The Environmental Protection Agency (EPA) will reassess the safety of herbicide paraquat, its administrator Lee Zeldin said on Friday on X, adding that the body is requiring manufacturers to thoroughly prove that current uses are safe in real-world conditions.

Syngenta, which markets paraquat under the brand name Gramoxone, is among the herbicide’s major sellers.

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