A large majority of Clinton supporters (70%) say the Earth is warming mostly because of human activity, but just 22% of Trump supporters share that view. Nearly half of Trump supporters (47%) say the Earth is warming because of natural patterns, and three-in-ten (30%) say there is no solid evidence the Earth is warming.
- BRIAN KENNEDY, Clinton, Trump supporters worlds apart on views of climate change and its scientists, Pew Research Center, Oct. 10, 2016

Scott Pruitt, the head of the Environmental Protection Agency, said on Thursday that carbon dioxide was not a primary contributor to global warming, a statement at odds with the established scientific consensus on climate change.

Asked his views on the role of carbon dioxide, the heat-trapping gas produced by burning fossil fuels, in increasing global warming, Mr. Pruitt said on CNBC’s “Squawk Box” that “I think that measuring with precision human activity on the climate is something very challenging to do and there’s 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.”
- CORAL DAVENPORT, E.P.A. Chief Doubts Consensus View of Climate Change, NYT, MARCH 9, 2017

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