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NORTH BEACH, MD - AUGUST 03: A Blue Heron walks along the rocks as the early morning sun is reflected over the Chesapeake Bay August 3, 2006 in North Beach, Maryland. Temperatures in the Washington, DC area are expected to reach the upper ninties. (Photo by Mark Wilson/Getty Images)
The president issued an executive order to restore the Chesapeake Bay Tuesday.
It establishes an Environmental Protection Agency-led committee to oversee restoration efforts.
Lisa Jackson, of the EPA, called the Chesapeake a national treasure, the AP reported. It's the largest estuary in the U.S.