Fear that thawing permafrost caused damage to storage tank.
The remarkable rescue and evacuation effort was needed because of a severe break-up in the ice sheet due to global warming.
The navigator, who served in the Navy of Peter the Great, gave his name to the Bering Strait, the Bering Sea, Bering Island, Bering Glacier and Bering Bridge.
Scientist thought he had stumbled upon an unusual stone, only for tests to show he had unearthed major dinosaur find.
Russia’s coldest region struggles to tame fires intensified by lengthy heatwave in extreme north.
Summer flooding will worsen dramatically, and the Arctic could be ice-free in summer by 2034.
Murky underwater videos suggest wreckage of Eira is finally rediscovered off Cape Flora on Franz Josef Land archipelago, where it sank in 1881.
Average temperatures in the north of the Kara and Barents seas were 4C to 5C higher than previous years.
Bulging bumps in the Yamal and Gydan peninsulas believed to be caused by thawing permafrost releasing methane.
And take part in scientific experiment to PROVE that the leaking of harmful greenhouse gases in the Arctic can be slowed.