A British television interview viewed tens of thousands of times on social media features a man claiming that global warming is natural, CO2 has no provable effect on the climate, the greenhouse effect is negligible, and computer models used to measure climate change are skewed. But the speaker is not a climate specialist, experts say the claims are false, and world scientists overwhelmingly agree that humans are heating the planet by burning fossil fuels.

The interview with Brian Catt, introduced as a "physicist and electrical engineer and an MBA", was broadcast on the channel TalkTV and posted on its Facebook page on August 14, 2022. It was widely shared on Facebook and Twitter.

Asked whether people are "right to panic" about climate change, Catt replied: "They should relax basically, simply because if they were to go and look at the natural history of the Earth, which has all been unravelled since these climate myths were created by the UN, they'd find that actually what is happening now is almost totally normal."

A search on Google Scholar showed that Catt has submitted papers to SSRN, a publisher of "pre-print" studies that have not yet been accredited through the regular process of scientific peer-review.

"He doesn't have any qualifications or a scientific publication record in this area and he's essentially rejecting the expert conclusion of every credible scientific organisation around the world," said Bob Ward, policy and communications director at the Grantham...

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