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"Donald thinks that climate change is a hoax perpetrated by the Chinese. I think it's real," Clinton said, going after Trump for his repeated climate-change denial.
"I did not. I do not say that," Trump responded.
Trump said global warming was created by China on Twitter in 2012:
The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive.
- Donald J. Trump (@realDonaldTrump) November 6, 2012