Scientists have discovered as many as 7,000 gas-filled ‘bubbles’ expected to explode in Actic regions of Siberia after an exercise involving field expeditions and satellite surveillance, TASS reported. The region has seen several recent examples of sudden ‘craters’ or funnels forming from pingos after what scientists believe are caused by eruptions from methane gas released by the thawing of permafrost which is triggered by climate change.
— source siberiantimes.com