As Switzerland struggles to contain the shrinking of its glaciers, researchers are conducting an unusual experiment in the Alps to see whether one of its less valued natural resources can help: sheep's wool.
A participant walks through a snow protection test site covered with sheep wool material during a Sept. 2 news conference in Les Diablerets, Switzerland.
Niklaus Sagesser, the weaver who made sheep wool covers, checks them at a snow protection test site covered with the material during a Sept. 2 news conference presenting the results of the "Keep It Wool" glacier protection experiment in Les Diablerets, Switzerland.
A snow protection test site covered with sheep wool material, bottom left, is seen Sept. 2 near a traditional snow farming cover in Les Diablerets, Switzerland.
A participant walks through a snow protection test site covered with sheep wool material during a Sept. 2 news conference in Les Diablerets, Switzerland.
Niklaus Sagesser, the weaver who made sheep wool covers, checks them at a snow protection test site covered with the material during a Sept. 2 news conference presenting the results of the "Keep It Wool" glacier protection experiment in Les Diablerets, Switzerland.
A snow protection test site covered with sheep wool material, bottom left, is seen Sept. 2 near a traditional snow farming cover in Les Diablerets, Switzerland.