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A Slippery Slope

Grinding over ancient layers of lava and ash, the glaciers of the Cascade Range act like supersized sheets of shrinkwrap. Stretched taut across tons of pulverized rock, these blankets of frozen snow hold sand, gravel and boulders in place — that is, until they start to melt. Then the sediments, unlocked from the glaciers’ icy […]

Grasping for Air

Air flowing through mountain valleys carries clues about forest health. New monitoring and analytical methods may also improve understanding of the global carbon cycle.