The U.S. Army Corps of Engineers, Philadelphia District is renourishing Dewey, Rehoboth, and Bethany, Delaware beaches as part of a regular project in 2011-2012. Photo source: Ann Cameron Siegal / U.S. Army
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Pumping sand onto the coastline helps maintain wide beaches for tourism and property protection, but some scientists say it also damages a fragile and often overlooked ecosystem for fish and birds…
