Contact: Thomas Painter
University of Colorado at Boulder
Caption: Mountain peaks in the Bernese Alps protrude above the top of a hazy layer of air. NASA, CIRES and other scientists have uncovered strong evidence that beginning in the 1860s, soot sent into the air by a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps.
Credit: Peter Holy
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Related news release: Soot suspect in mid-1800s Alps glacier retreat