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Oceans have become very loud because of humans. In this public radio story you'll hear some of the things that make the ocean so noisy. Scientists are worried all that noise is hurting marine life. They want to find ways to quiet down the ocean and study what the noise means for marine mammals.
Ecosystems Environment Oceans Life Science Human Impacts Earth and Space Science Sound
Story Length: 5:50
WBUR
AIR DATE: 12/20/2012
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