http://blogs.ei.columbia.edu Tue, 21 May 2013 15:39:03 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 http://blogs.ei.columbia.edu/2012/09/04/how-green-is-local-food/ http://blogs.ei.columbia.edu/2012/09/04/how-green-is-local-food/#comments Tue, 04 Sep 2012 15:00:08 +0000 Renee Cho http://blogs.ei.columbia.edu/?p=30002 Local food proponents often claim that food grown close to home helps prevent global warming because it requires less fossil fuels to transport, generating fewer greenhouse gas emissions than conventionally produced food. But just how green is local food? ]]> http://blogs.ei.columbia.edu/2012/09/04/how-green-is-local-food/feed/ 1 http://blogs.ei.columbia.edu/2011/08/18/is-biomass-really-renewable/ http://blogs.ei.columbia.edu/2011/08/18/is-biomass-really-renewable/#comments Thu, 18 Aug 2011 16:30:43 +0000 Renee Cho http://blogs.ei.columbia.edu/?p=16945 Ninety percent of all existing biomass power plants use wood residue and there are currently 115 power plants in development that will burn biomass to generate electricity. But just how renewable is biomass energy?]]> http://blogs.ei.columbia.edu/2011/08/18/is-biomass-really-renewable/feed/ 3 http://blogs.ei.columbia.edu/2009/08/22/dark-side-of-solar-has-light-at-the-end-of-the-tunnel/ http://blogs.ei.columbia.edu/2009/08/22/dark-side-of-solar-has-light-at-the-end-of-the-tunnel/#comments Sat, 22 Aug 2009 14:01:04 +0000 Meaghan Daly http://blogs.ei.columbia.edu/water/?p=1098 ...]]]> http://blogs.ei.columbia.edu/2009/08/22/dark-side-of-solar-has-light-at-the-end-of-the-tunnel/feed/ 2