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Denver mayor on challenge posed by an influx of migrants

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Russian mercenaries claim territory in eastern Ukraine

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PBS News Hour

Study outlines grim future for thousands of glaciers

With planet-warming emissions on the rise, scientists worry about melting glaciers and the onslaught of repercussions. A new study published in the Journal of Science looks at the future of hundreds of thousands of glaciers, and what we can expect. David Rounce of Carnegie Mellon University joined Amna Nawaz to discuss the study.
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