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
KALW, distributed by PRX
AIR DATE: 03/27/2012
The increasing acidity of the oceans could eventually affect your dinner plate. This public radio story begins in a factory where workers are shucking shellfish. It looks at a shellfish producer and how the company has had a hard time producing juvenile oysters or “seed” because of the increase of CO2 in the ocean. The story examines the impact of ocean acidification on the seafood we eat.
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Ice is an essential component of the ecosystem of the Bering Sea region. For example, sea ice cover can dramatically affect the levels of phytoplankton which has enormous effects on the entire food web. In this public radio story we hear about the health of the Bering Sea ecology by studying scientific observations.
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As the ocean rising, some island nations might disappear. This public radio story considers the plight of island nations at risk of slipping under water as sea levels rise. The political, economic and personal consequences are considered as you hear what could be done to prevent catastrophic changes in our geography.
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A United Nations report in 2014 shows that human activities are changing the planet. The scientists are more confident in their conclusions that humans are causing global warming. There are rising sea levels, higher temperatures and impacts on wildlife. This conversation with a public radio reporter looks at the long term trend in global temperatures and what humans can do to reverse the trend.
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