http://www.scienceray.com/Biology/Ecology/Green-Energy.135128 Discussion about: Green Energy http://www.scienceray.com/Biology/Ecology/Green-Energy.135128#comment200463 ]]> Sun, 13 Jul 2008 03:07:19 PST http://www.scienceray.com/Biology/Ecology/Green-Energy.135128#comment177512 ]]> Tue, 24 Jun 2008 03:20:34 PST