filter

oysters

Oysters More Effective Than Previously Believed In Filtering Water

Scientists knew oysters were good for the bay but they never knew how good until now.

04/30/2013

(AP Photo/Lee Reich)

Md. Planting Trees To Filter Highway Runoff

Maryland highway officials are planting thousands of trees statewide to help filter stormwater that runs off roads and pollutes waterways.

06/07/2012

artificial reef construction

Old Dam Used To Create New Artificial Reef In The Chesapeake

A dam that outlived its usefulness on the Patapsco River is being put to new use in the Chesapeake.

11/02/2011

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