NYC’s oysters a clean machine
City puts shellfish to work filtering polluted coastal waters
Posted: September 3, 2012 at 2:42 a.m.
On a summer morning, marine biologist Ray Grizzle reaches into the waters of the Bronx River estuary and pulls up an oyster. The 2-year-old female is “good and healthy.”
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Front Section, Pages 9 on 09/03/2012