Scientists just found telltale evidence of an ancient methane explosion in the Arctic
More than 100 million years ago, a sudden period of global warming – possibly brought on by a series of volcanic eruptions – released a massive upwelling of previously frozen methane gas from the bottom of the Arctic Ocean into the water, new research suggests. And the discovery has scientists pondering whether human-caused climate change could cause it to happen again – and what the consequences would be.
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