Concern from scientists over potential danger to gas production facilities in region vital for energy supplies.
Running water is one of the most soothing and relaxing sounds known to man, but here it signals the rapid thawing of ground frozen for thousands of years.
Threat to Salekhard and Anadyr could come even sooner - by the mid-2020s - as thaw of frozen ground is forecast to have 'devastating' impact.
Fear that thawing permafrost caused damage to storage tank.
Bulging bumps in the Yamal and Gydan peninsulas believed to be caused by thawing permafrost releasing methane.
Is global warming the real cause of the raging wildfires sweeping this Siberian republic?
An expedition is underway to locate and analyse deposits of methane in 'underwater permafrost' in the seas of Okhotsk and Japan.
Discovery of rich vegetation only 1000 miles away from North Pole surprises scientists.
Renowned scientist says temperatures could 'rise twice faster' in Yakutia than the rest of the world.