Some permafrost might soak up methane as climate warms

ArsTechnica: Talk of a warming planet often focuses on places that are cold. Glaciers shrink and raise sea level. Arctic sea ice dwindles, opening an actual northwest passage in the summer. And permafrost thaws, pulling vast amounts of organic matter out of the freezer to spoil and add to the greenhouse gases in the atmosphere. Lots of research has focused on organic-rich permafrost and the amount of carbon dioxide and methane it could produce as microbes break down all that food. But that’s only a slice of......

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