U.S. Forest Service ignites new controversy with record glyphosate spraying on burned public lands The U.S. Forest Service is spraying record amounts of glyphosate on fire-damaged public lands across California, with 266,000 pounds applied in 2023 alone — five times the amount sprayed 20 years ago. The agency uses the herbicide to kill native vegetation that competes with commercially valuable conifer species replanted after wildfires. A key study used to justify the spraying — a 2000 paper concluding glyphosate poses no health risk — was retracted in November 2025 after being exposed as ghostwritten by Monsanto employees. The Forest Service’s…

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