Sweden's most famous ski race gets underway next week.This weekend's wind and rain has led to puddles on the 90 kilometre-long course, and volunteers are working feverishly before thousands of skiers descend on the course.

A new study based on analysis of satellite images shows how much snow cover Switzerland has lost in the last 20 years. Losing all the glaciers in Switzerland is not that far away.

The western Alps of northwestern Italy, southeastern France and extreme southern Switzerland received enormous amounts of fresh snow over the past few days.

Photograph illustrates the impact of a rain-on-snow event during the winter of 2018.

By mid century, past Olympic venues like Squaw Valley, California; Oslo, Norway; Chamonix, France; and—of course—Sochi, will be too warm to ever host the Winter Games again.