CO2 Build-Up In Oceans May Harm Marine Life

Corbis
A buildup of carbon dioxide is changing ocean chemistry; biologists are concerned about how these global changes will affect the ecology of the oceans.

Corbis
A buildup of carbon dioxide is changing ocean chemistry; biologists are concerned about how these global changes will affect the ecology of the oceans.
A decade-long study finds that half the carbon dioxide produced since the industrial revolution has ended up in the world's oceans, changing their chemistry. Scientists say the continuing trend could be bad news for marine life. NPR's Richard Harris reports.
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