Controlling nutrient pollution from livestock and fertilizer remains the biggest challenge for the Chesapeake Bay cleanup. Maryland, Pennsylvania and Virginia will all be challenged to meet their goals, but the large shortfall in Pennsylvania's cleanup plan has led to rising tensions. (Dave Harp)

EPA assurance fails to mollify concerns over PA cleanup

By: Karl Blankenship, (republished) U.S. Environmental Protection Agency officials on Friday asserted their intent to achieve Chesapeake Bay cleanup

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