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Climbing Mount Everest: Black Soot on White Snow

Smog in the air, even at 17,000 feet, near Mount Everest base camp.

Editor’s Note: This is the fifth and final post in a series by geologist Ulyana Horodyskyj. She climbed several peaks in the Himalaya Mountains to try to determine how airborne particles such as dust and soot that settle on massive glaciers alter how snow and ice melt, which could affect climate change as well as [...]

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