by Tom DiChristopher, CNBC Mar 9 2017, 11:18 am ET

Environmental Protection Agency Administrator Scott Pruitt said Thursday he does not believe carbon dioxide is a primary contributor to global warming.

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http://www.nbcnews.com/politics/politics-news/epa-chief-scott-pruitt-says-carbon-dioxide-not-primary-contributor-n731141?cid=sm_npd_nn_fb_ma