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PBS News Hour

Glacier ice records how climate change impacts the Earth

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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February 24, 2026 - PBS News Hour full episode
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