President Donald Trump has backed off from his claim that climate change is a "hoax", but accused climate scientists of having a "very big political agenda".
The comments by Trump, who in June last year pulled the US out of the historic Paris Agreement on climate change, was made during an interview with CBS's 60 Minutes.
It come less than a week after climate scientists issued a final call to halt rising temperatures.
Last week's report by the Intergovernmental Panel on Climate Change (IPCC) - the leading international body evaluating climate change - warned the world was heading towards a temperature rise of 3C.
In an interview, Trump accused scientists of having a "very big political agenda" and asserted that he does not want to put the US, the second-largest emitter of greenhouse gasses, at a disadvantage in responding to climate change.
Asked whether he still thinks climate change is a hoax, Trump said, "I think something's happening. Something's changing and it'll change back again. I don't think it's a hoax, I think there's probably a difference. But I don't know that it's manmade."
"I'm not denying climate change. But it could very well go back. You know, we're talkin' about over a millions of years."
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