Study blames ocean CO2 for oyster declines

Associated Press: Scientists are blaming slightly higher levels of carbon dioxide in Pacific Ocean waters linked to global warming for the failure of oyster larvae to survive in an Oregon hatchery. They say higher acidity of the water that comes with more carbon dioxide makes it harder for young oysters to form their shells, dooming them in a matter of days, even if they are moved to more favorable environments. "A lot of studies talk about the year 2050 when ocean acidification becomes a problem," for sea life,...

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