A: On November 6, 2012, Donald Trump tweeted: "The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive."
On October 19, 2015, he then tweeted: "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!"
According to the Twitter, Trump’s tweet on climate change was the most retweeted post during the debate.