The assessment contradicts the Trump administration’s legal arguments for relaxing pollution rules.

© Meridith Kohut for The New York Times

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.

© Loren Elliott for The New York Times

He started fighting wildfires as a teenager. After inhaling smoke on the front lines for six seasons, he faced an impossible choice.

The oil giant accused the state’s attorney general and four nonprofit groups of defamation after they sued over recycling claims.

© Sergio Flores/Agence France-Presse — Getty Images

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.

By some distance, the research Emissions Analytics published in early 2020 claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions generated the most feedback of any subject we have tackled so far – feedback that was a mixture of surprise and scepticism
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