Earth could turn into a hothouse planet like Venus, with boiling oceans and acid rain, if humans don't curb irreversible climate change, physicist Stephen Hawking claimed in a recent interview.
"We are close to the tipping point, where global warming becomes irreversible. Trump's action could push the Earth over the brink, to become like Venus, with a temperature of 250 degrees [Celsius], and raining sulfuric acid," he told BBC News, referring to the president's decision to pull the U.S. out of the Paris climate deal.
But most climate experts say that scenario is a dramatic and implausible exaggeration: Relative to Venus, planet Earth is much farther from the sun and given its chemical makeup will never have such a thick carbon dioxide atmosphere, so it could not likely reach temperatures of 482 degrees Fahrenheit (250 degrees C) that Hawking described in the interview, they say.
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