Dossier
Michael Kleeman
Coverage of Michael Kleeman in the Nexus archive.
- Carcinogen from LA fire cleanup may have spread up to 9 miles downwind, study shows
A study in Nature found that a potent carcinogen, chromium-6, may have spread up to nine miles downwind from LA fire cleanup zones, affecting areas with 3 million residents. Researchers from UCLA and UC Davis detected airborne metals like lead and arsenic, noting concentrations declined over time but emphasizing lingering health risks.