Enormous 'Parasol' Could Stop Global Warming

  • Playlist
  • Download
  • Embed
    <iframe src="http://www.npr.org/player/embed/16912145/16912120" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

As scientists search for quicker fixes to the problem of global warming, some have been studying a technique they compare to a parasol.

Ken Caldeir of the Carnegie Institute explains a plan for blocking some of the sun's rays, as well as ideas for harnessing the jet stream as a new source of fuel.

On our blog:
Scientist proposes mechanical tree.
Scientists aim to stash carbon underground.
Scientist says a phytoplankton bloom could save us all.
A round-up of wacky ideas that just might work.



Please keep your community civil. All comments must follow the NPR.org Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.

NPR thanks our sponsors

Become an NPR sponsor

Support comes from