EPA Administrator Transitions from Climate Change Skeptic to Denier

Perhaps there never really was much difference between 'skepticism' and 'denial'. Scott Pruitt certainly proved that on Thursday when he answered CNBC's Joe Kernen's question if carbon emissions are the primary cause of climate change.
March 13, 2017, 10am PDT | Irvin Dawid
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Joe Kernen and Andrew Ross Sorkin, co-anchors of CNBC's "Squawk Box", engage in a wide-ranging, 11-minute Q & A (video) on Thursday with U.S. Environmental Protection Agency Administrator Scott Pruitt that touch many issues covered by Planetizen since Pruitt's confirmation (when he was labeled a climate skeptic) on Feb. 17, including the rollbacks, proposed or accomplished, of:

However, the real issue exposed was Pruitt's belief, or more accurately, disbelief, on the roles of carbon emissions and human activity in climate change, thanks to Kernen's simple yet insightful question asked at the very last minute (see 1:12 minute video) of the interview. Had the prior 10-minutes of Q and A not occurred, though, I wonder if Pruitt would have answered as directly, rather than evasively, as he did. Kernen asks:

Just to get to the nitty gritty, do you believe that it's been proven that CO2 is the primary control knob for climate?

Pruitt responds:

No, I think that measuring with precision human activity on the climate is something very challenging to do and there is tremendous disagreement** about the degree of impact, so no, I would not agree that it's a primary contributor to the global warming that we see, but we don't know that yet, so we need to continue the debate and review and analysis.

"That view contradicts the stance of the Environmental Protection Agency itself, as well as the conclusion of NASA (National Aeronautics and Space Administration) and the National Oceanic and Atmospheric Administration (NOAA)," writes Tom DiChristopher for CNBC on reactions from the political, environmental, and science communities.

Sen. Tom Carper, the ranking Democrat on the Senate Committee on Environment and Public Works, tweeted about the comment, "I think 97% of the world's scientists were surprised to learn this today! I know I was."

Carper was referring to a frequently cited study that found 97 percent of climate scientists who issued findings on the cause of climate change ascribe the phenomenon to human activity. Those findings have been disputed.

The EPA lists carbon dioxide as composing 81 percent of greenhouse gas emissions in 2014.

Pie chart that shows different types of gases. 80.9 percent is from carbon dioxide fossil fuel use, deforestation, decay of biomass, etc.  10.6 percent is from methane. 5.9 percent is from nitrous oxide and 2.6 percent is from fluorinated gases. 

Courtesy of E.P.A.: Overview of Greenhouse Gases

Ironically, CNBC's Kernen, who expresses uncertainty about the the role of carbon dioxide as a pollutant during the interview, ends with a statement about climate denial (courtesy of Media Matters):

But I don’t want to be called a denier, so it scares me. It’s a terrible thing to be called. Anyway, administrator Pruitt, I know you don’t want to be called that either...

Pruitt was in Houston to appear as a guest speaker for the oil industry gathering known as CERA (previously Cambridge Energy Research Associates) Week. Pruitt told Kernan that he wanted to convey to them a message that you can be pro-growth, pro-jobs, and pro-environment.

Coral Davenport of The New York Times also reports on Scott Pruitt's admission that carbon emissions are not the primary driver of climate change.

**Science Daily defines the Global Warming Controversy, derived from Wikipedia, and notes that "there is also a small but vocal number of scientists in climate and climate-related fields that disagree with the consensus view."

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