Soot Seen as Major Element in Global Warming 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.
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

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.