Experts say nuclear power needed to slow warming

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Global Warming Oysters
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  • Global Warming Oysters
Global Warming Oysters
This June 21, 2010, file photo, shows a Pacific oyster ready to be harvested at low tide near Olympia, Wash. Scientists blame higher levels of carbon dioxide in Pacific Ocean waters caused by man-made global warming for the failure of oysters to produce young at an Oregon hatchery. (AP Photo/Ted S. Warren, File)