Shorter, warmer winters cause higher air temperatures and bring rain instead of snow, both of which deter ice formation ... lake ice can be unsafe for weeks after a freeze and before a thaw ...

January in Russia conjures up images of Muscovites crunching through the snow in bulky coats -- not bunches of delicate ...

the world’s deepest freshwater lake, which is typically covered in ice thick enough for vehicles to drive on it. Ice formation has been “very slow” this year, Vilfand said earlier this month.

“There are many, many factors that came together here,” the study’s lead author tells Carbon Brief, but the “main driver” was the destabilising effect caused by thawing permafrost. The research also ...