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News Wrap: Pfizer says COVID pill cuts serious risks by 90%

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'The Sentence' explores racial tensions in Minneapolis

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Houston music reporter’s account of concert tragedy

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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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