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Weathering and erosion

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Science Middle School

Beach Erosion Threatens Infrastructure

What happens when human structures and nature come into conflict? Ocean Beach in San Francisco is naturally eroding, but the consequence of this shifting shoreline is that a sewage treatment plant is put in peril. Without intervention, raw sewage could be dumped into the ocean. A rock wall has temporarily stabilized the pipeline, but not without complications. Now other solutions are being considered, including construction of an artificial dune.

Physical Science Oceans Geography Earth and Space Science Human Impacts Environment Ecosystems

Story Length: 6:04

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KALW, distributed by PRX

AIR DATE: 03/27/2012

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