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Glacier ice samples act as records of climate change's impact on Earth

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The impacts of a warming world and changing climate are more evident every day. Many of the Earth's tropical glaciers are in jeopardy because of human activity's effect on the atmosphere. William Brangham reports on a couple in Columbus, Ohio, who have dedicated their scientific careers to preserving and studying these crucial, endangered parts of the planet's ecosystem.

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Category
U.S. & Canada
Tags
Glaciers, Glacier Core, Climate Science
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