4-20-11: Fighting Back Against Marine Invaders

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EIF110420.mp3

The Cape Washington

One of the ways that invasive species move around the globe is in the ballast water of ships. Proposed U.S. Coast Guard regulations will require most large ocean-going ships to install filters like one aboard the Cape Washington in Baltimore, that catch, zap, poison, suffocate or otherwise eradicate invasive species in ship ballast water.