Report: Ocean acidification rising at unprecedented rate

With the oceans absorbing more than 1 million tons of carbon dioxide an hour, a National Research Council study released Thursday found that the level of acid in the oceans is increasing at an unprecedented rate and threatening to change marine ecosystems.

The council said the oceans were 30 percent more acidic than they were before the Industrial Revolution started roughly 200 years ago, and the oceans absorb one-third of today’s carbon dioxide emissions.

Unless emissions are reined in, ocean acidity could increase by 200 percent by the end of the century and even more in the next century, said James Barry, a senior scientist at the Monterey Bay Aquarium Research Institute in California and one of the study’s authors.

Les Blumenthal, McClatchy Newspapers, SunHerald.com, 22 April 2010. Full article.

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OA-ICC HIGHLIGHTS

Ocean acidification in the IPCC AR5 WG II

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