As Swiss glaciers continue to shrink, an unusual experiment high in the Alps is testing whether one of the country’s most overlooked natural resources — sheep's wool — could help ▻ ↧ Can sheep save the glaciers? Swiss scientists put wool to the test 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.