Sigourney Weaver urges action to protect oceans

Proponents of climate change legislation usually invoke the need to reduce global warming, but actress Sigourney Weaver is coming to the defense of something that often is out of sight: oceans.

“One secret the oceans have kept very well is their sensitivity to carbon dioxide pollution,” Weaver said at a Senate hearing Thursday, as she urged lawmakers to pass climate legislation that would limit carbon emissions.

She made her pitch on the same day that a new report by the National Research Council, an arm of the National Academy of Sciences, found that ocean chemistry is changing faster than it has in hundreds of thousands of years because of the carbon dioxide being absorbed from the atmosphere. The resulting increased acidity of the oceans poses a serious threat to shellfish and other marine life. Studies have shown that increasing seawater acidity affects photosynthesis, nutrient acquisition, growth, reproduction and individual survival of certain sea life.

Ocean acidification has been called global warning’s “evil twin.”

Frederic J. Frommer, The Mercury, 24 April 2010. Full article.

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OA-ICC HIGHLIGHTS

Ocean acidification in the IPCC AR5 WG II

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