State of the Planet » open space institute http://blogs.ei.columbia.edu Fri, 24 May 2013 19:28:34 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 Let’s Discuss Our Water Sources: Impacts of Natural Gas Extraction Along the Upper Delaware http://blogs.ei.columbia.edu/2009/10/13/hancock-and-the-marcellus-shale/ http://blogs.ei.columbia.edu/2009/10/13/hancock-and-the-marcellus-shale/#comments Tue, 13 Oct 2009 22:11:57 +0000 Richard Gonzalez http://blogs.ei.columbia.edu/?p=558 http://blogs.ei.columbia.edu/2009/10/13/hancock-and-the-marcellus-shale/feed/ 5