One fish, two fish, red fish, blue fish: They are all in trouble if global warming continues unabated.Stroll by any Whole Foods seafood counter and you will see color-coded fish: Green for fully sustainable, yellow for partially sustainable, and red for fish threatened by overfishing or grown on polluting fish farms. Buy a "green" fish and you eat guilt free, confident that you are doing your part to save the ocean and its inhabitants. Put down your fork -- Whole Foods is not telling you the whole story. The dirty little secret of their seafood rating system is that it …
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