Vermont becomes first US state to ban paraquat herbicide over Parkinson’s fears

Lawmakers cite studies linking weedkiller to Parkinson’s as pressure mounts for a wider US ban Vermont is the first US state to ban the weedkilling pesticide paraquat, backed by lawmakers who cited concerns about research showing the chemical substantially increases the risk of the incurable brain ailment known as Parkinson’s disease. Phil Scott, the governor, signed the legislation on Tuesday. The new law takes effect on 1 November, though it contains a provision allowing state regulators to issue special permits for paraquat use on fruit-producing tree orchards, berries and other “small fruit” crops up until 31 December 2030. Continue reading...

Carey Gillam · Tue, May 26, 2026, 1:46 PM
US news | The Guardian

Vermont becomes first US state to ban paraquat herbicide over Parkinson’s fears

Lawmakers cite studies linking weedkiller to Parkinson’s as pressure mounts for a wider US ban

Vermont is the first US state to ban the weedkilling pesticide paraquat, backed by lawmakers who cited concerns about research showing the chemical substantially increases the risk of the incurable brain ailment known as Parkinson’s disease.

Phil Scott, the governor, signed the legislation on Tuesday. The new law takes effect on 1 November, though it contains a provision allowing state regulators to issue special permits for paraquat use on fruit-producing tree orchards, berries and other “small fruit” crops up until 31 December 2030.

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