NPR logo

Soot Seen as Major Element in Global Warming

  • Download
  • <iframe src="https://www.npr.org/player/embed/837576/837577" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Soot Seen as Major Element in Global Warming

Science

Soot Seen as Major Element in Global Warming

Soot Seen as Major Element in Global Warming

  • Download
  • <iframe src="https://www.npr.org/player/embed/837576/837577" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Recent research shows black carbon in soot may contribute to global warming by absorbing sunlight. Diesel engines are one source of soot. But wood fires in less developed countries — including China — are also a problem. NPR's Christopher Joyce reports.