State of the Planet » environmental biology http://blogs.ei.columbia.edu Tue, 18 Jun 2013 20:23:33 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 Ruth DeFries – Denning Professor of Sustainable Development; Professor of Ecology, Evolution, and Environmental Biology http://blogs.ei.columbia.edu/2009/09/18/ruth-defries/ http://blogs.ei.columbia.edu/2009/09/18/ruth-defries/#comments Fri, 18 Sep 2009 17:06:23 +0000 Urania Mylonas http://blogs.ei.columbia.edu/creative/?p=43 ...]]]> http://blogs.ei.columbia.edu/2009/09/18/ruth-defries/feed/ 1