Dirty snow may warm Arctic as much as greenhouse gases

The global warming debate has focused on carbon dioxide emissions, but scientists at UC Irvine have determined that a lesser-known mechanism -- dirty snow -- can explain one-third or more of the Arctic warming primarily attributed to greenhouse gases.

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news100354399.html">Dirty snow may warm Arctic as much as greenhouse gases</a></p> <p>The global warming debate has focused on carbon dioxide emissions, but scientists at UC Irvine have determined that a lesser-known mechanism -- dirty snow -- can explain one-third or more of the Arctic warming primarily attributed to greenhouse gases.</p>