By Alexandra Rosenmann / AlterNetThis piece originally ran on AlterNet.

The first question we have to ask ourselves regarding a Trump presidency is if Trump means what he’s saying. “Trump says all sorts of things,” Chomsky reminded us. “Some of them make sense; Some of them are crazy. But the US is an extremely powerful state [and] if Trump means what he’s saying, the human species is in very deep trouble.”

Here’s his top five reasons why:

1) Global warming would continue to affect vulnerable areas.

Global warming is a hugely significant phenomenon – the effects of global warming is extremely severe – The Republican party, Trump in particular will block measures to stop production from coal plants. Trump simply says, “It’s not happening.” “That’s quite apart from other policies he’s advocating.

2) Torture would increase.

“Trump said, ‘Fine, let’s torture people,'” Chomsky said. “In fact, the kind of torture that’s outlawed by international law and became international scandal – water boarding – he said ‘that’s the least of it, let’s do more.'”