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Arctic Methane Release
Arctic methane release is the release of methane from seas and soils in permafrost regions of the Arctic. While a long-term natural process, it may be exacerbated by global warming. This results in a positive feedback effect, as methane is itself a powerful greenhouse gas. The feedback of the undisturbed process is comparably weak, however, because the local release leads to a warming spread over the whole globe.
