Does sunscreen harm coral reefs? Your top 7 questions about sunblock: http://on.mash.to/1iP6sAV via @mashable
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable Hanauma bay, Oahu 20 years ago was a lot different. Now, it looks like an oil spill and all the fish are gone.Thanks. Twitter will use this to make your timeline better. UndoUndo
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