Globe-Warming Methane Is Gushing From a Russian Ice Shelf

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By Andrew Moseman
Mar 5, 2010 5:29 AMNov 20, 2019 4:16 AM
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Behind the ongoing back-and-forth fights over climate change that usually focus on carbon, there has lingered the threat of the powerful greenhouse gas methane being released into the atmosphere and causing even worse trouble. In August we reported on a study that noted methane bubbling up from the seafloor near islands north of Norway, giving scientists a scare. This week in Science, another team reports seeing the same thing during thousands of observations of the East Siberian Arctic Shelf on Russia's north coast, which is even more worrisome because it's a huge methane deposit. The shelf, which covers about 800,000 square miles, was exposed during the last ice age.

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