CBS Evening News
| The new U.N. climate report shows global average temperature rise has slowed, but the rise in greenhouse gases has not. Carbon dioxide produces a weak acid when absorbed by oceans, and that acid is affecting a California oyster company's business
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Carbon dioxide making oceans more acidic, threatening sea life
The new U.N. climate report shows global average temperature rise has slowed, but the rise in greenhouse gases has not. Carbon dioxide produces a weak acid when absorbed by oceans, and that acid is affecting a California oyster company's business. Ben Tracy reports.
Air Date: Sep 27, 2013
