The E.P.A. currently does not classify glyphosate, the active ingredient in certain formulations of Roundup, as a carcinogen, even though the W.H.O. found that the herbicide was “probably carcinogenic” in 2015.
The Forest Service is reversing course as it faces growing pressure over workers falling ill with cancer and lung disease. The move is part of a flurry of changes to aid firefighters.
A Trump appointee has proposed rewriting a measure that requires companies to clean up “forever chemicals,” documents show. The new version would shift costs from polluters.