Kelsey Grammer and wife Kayte don't quite buy into global warming.

When asked about the impact of climate change on the California wildfires and growing number of hurricanes, Grammer, 63, told TMZ, "The fires, I think, are attributable to a lot of things other than just that. I do think there's a warming trend, I'm willing to deal with that."

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He added, "But when I was a kid, we were worried about the next ice age, so something's happened. Something's switched really fast. I think science likes to keep us jumping. But we'll see! It could be sunspot activity. They used to talk about that a lot too. But I think man has certainly contributed to some of what's going on in our world. That's what we do!"

While Grammer spoke, his wife, Kayte, groaned of global warming concerns, "Everyone's been conned ... This whole reality's been manipulated."

"She thinks it's a big smokescreen for everything," he explained of his wife's reaction.

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"The Climate Accord thing, what's interesting about it was, the United Nations came out with a report about seven years ago that they think we might add another half a degree by 2050," Grammer said. "And so the Climate Accord said, 'We'll make sure we don't add another half a degree by 2050.' So what was the goal? What was the ambition? What was achieved by it?"

The former "Frasier" star said he's not upset at President Donald Trump's dismissal of the report and participation in the G20 summit, noting, "He's got a couple of ideas about it that might be different from other people."

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He also believes Trump can win re-election in 2020.