He was dignified in his victory speech and gracious to Hillary and Obama, so ... Maybe the aura of Office and the responsibility that goes with it will change him for the better. Lets hope so.
Rabble rousing rhetoric to rocking halls is one thing. Actually doing these things ... Another matter.
As for the environment: 99% of people are clued up and signed in. With other world leaders putting the pressure on him not to repeal the environmental acts, I think he'll see sense. Besides, I doubt he'd get it past Congress even if he did try to go for it.
Knight notes: 5 million voted for third parties and 95 million didn't vote at all ... This I do not understand.
Congress is controlled by the same party with some just as opposed to any measures to combat climate change. The same Congress has been limiting the US EPA through budget restrictions for years. Trump has had experience in his developments concerning what he thinks are regulations that "harm" business.
As for the voting, too many wanted another candidate because of the propaganda and various other reasons.