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.
All stories in Arctic methane release
The Arctic is predicted to warm faster than anywhere else in the world this century, perhaps by as much as 7°C. These rising ...