Sky Sails has a new take on an old idea to save on fuel for marine shipping: kite sails. The twist? No new ships required. [more inside]
posted by bonehead on Sep 25, 2007 - 14 comments

The University of Columbias Earth Institute has successfully demonstrated carbon dioxide air capturing. As to what could be done with the carbon dioxide after, the IPCC has some ideas (pdf). Unfortunately they don't state how much energy these machines consume or how expensive (toxic, etc.) their prodction is going to be.
posted by Glow Bucket on Apr 26, 2007 - 38 comments