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Quiet Please: National Parks Fight Back Against Noise Pollution03:42
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This article is more than 3 years old.

National parks are meant to be places for quiet and solitude. There's just one problem: noise. It's almost everywhere, and it doesn't obey park boundaries.

Sam Brasch (@samuelbrasch) from Colorado Public Radio explains how students at Colorado State University are fighting the problem.

This segment aired on January 23, 2018.

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