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Scientists say the Gulf oil spill’s marine mammal death toll may have been greatly underestimated. But as the government builds its case against BP, it wants scientists to stay quiet about what’s killing whales and dolphins.
Scientists are struggling to measure the full effect of the BP oil spill. A new study says the impact on marine mammals has been greatly underestimated. And as the government builds its case against BP, it wants scientists to stay quiet about what’s killing dolphins. Living on Earth’s Jeff Young reports.