Threat to Salekhard and Anadyr could come even sooner - by the mid-2020s - as thaw of frozen ground is forecast to have 'devastating' impact.
The bears have become a major hazard on a highway linking the oil-rich cities of Khanty-Mansiysk to Tyumen.
Winter comes to summer including freak hailstorms, mega-flooding but also wild fires.
Residents marooned on rooftops after snow melt and heavy rain causes Karasul River to burst its banks.
Spectacular falling meteorite fragments struck the Chelyabinsk region on Friday morning exploding in the atmosphere and crashing to the ground.
A new find of remains of a child aged 8 to 10 dating from around the 5th century AD suggests a sophisticated knowledge of surgical skills.
Nuclear scientist alleged to have stolen small aircraft, but he insists he had paid for it and is the victim of an elaborate fraud.
Video shows moment driver loses control, and his car flips over before crushing the raised platform where the marshals watched the race.