here's a less sensationalized viewpoint that just came out a few days ago, before the sound bite drama in the op, Trump has republicans worried that he's to the left of them on the environment.
Republican leaders worry that Mr. Trump’s views, his climate-denying Twitter messages notwithstanding, could end up somewhere left of the party’s mainstream.
“I think there is concern about where he stands because he hasn’t come out strongly one way or another,” said a Republican aide who insisted on anonymity because she was not authorized to speak publicly about the matter.
http://www.nytimes.com/2016/05/21/sc...in-cramer.html