In pockets of Europe's Alpine mountains, glaciers are abundant enough that ski resorts operate above the snow and ice.
Ski lifts, resorts, cabins and huts dot the landscape — and have done so for decades. But glaciers are also one of the most obvious and early victims of human-caused climate change, and as they shrink year by year, the future of the mountain ecosystems and the people who enjoy them will look starkly different.
