As Another Report Urges Action, how can U.S. Overcome Obstacles to Effective Climate Policy? April 15, 2014PBS News Hour
As Climate-Change Talks Continue, Lack of Concensus Spurs Smaller-Scale Actions December 10, 2010The Washington Post
As State Department Nears Completion of Keystone Xl Review, Both Sides Dig In January 17, 2013The Washington Post
