We've known for a long time that Donald Trump is a climate change denier. For a long time his ridiculous tweets have made that only too clear.
And although the sweltering heat, and all those hurricanes, have forced him to admit that in his words "something is going on out there."
He's still, as Paul Krugman writes, floundering about like a beached whale, or a maniac in a straitjacket, in the three stages of climate denial.