Republican frontrunner Donald Trump, who has dismissed the science of climate change, tweeted in response to the cold front sweeping the Northeast: “It’s really cold outside, they are calling it a major freeze, weeks ahead of normal. Man, we could use a big fat dose of global warming!”

“I believe it goes up and it goes down and it goes up again… but I am not a believer, and we have much bigger problems,” Trump said in an interview in September.