Scientists experiment with artificial and induced snowfall in effort to slow glacial retreat
During the summer of 2019, tourists were stopped in their tracks by a haunting melody ringing out across the Swiss Alps. Performed by two glaciologists, Hans Oerlemans and Felix Keller, the Requiem for the Glaciers of Switzerland mourns the disappearance of glaciers around the world.
Glaciers are retreating fast. A report by the European Geosciences Union suggests that 90% of the glacier volume in the Alps, an essential source of drinking and irrigation water, could be lost by the end of the century. But Oerlemans and Keller are not simply standing by and watching it happen.