Agencies getting tough with ship ballast dumping (AP)

AP - After decades of delay, government officials are beginning to crack down on cargo ships that allow foreign invasive species to hitchhike to U.S. waters, where they have turned ecosystems upside down and caused billions of dollars in economic losses.

Source: http://us.rd.yahoo.com/dailynews/rss/economy/*http://news.yahoo.com/s/ap/20110206/ap_on_re_us/us_ballast_battle

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