Skiing over Christmas holidays no longer guaranteed—even with snow guns
Technical snowmaking on the Gemsstock, Switzerland. Credit: Valentin Luthiger
For many people, holidays in the snow are as much a part of the end of the year as Christmas trees and fireworks. As global warming progresses, however, white slopes are becoming increasingly rare. Researchers at the University of Basel have calculated how well one of Switzerland's largest ski resorts will remain snow reliable with technical snowmaking…