People evacuated after thunderstorms-with-no-rain ignite foliage and forests.
New evidence of climate change as blazes come six weeks early in 2014.
Hundreds - including dozens of children - evacuated safely as fires destroy and threaten homes.
Average temperatures in the north of the Kara and Barents seas were 4C to 5C higher than previous years.
World's coldest region defies its stereotype.