The Environment in Focus with Tom Pelton | Yesterday

In an effort to revive depleted Chesapeake Bay oysters, federal and state agencies are working together to plant about 400 million juvenile oysters in a new 4,500-acre sanctuary. Stephanie Westby, a biologist with the National Oceanic and Atmospheric Administration, shows oysters growing in Harris Creek, a tributary to the Choptank River on Maryland's Eastern Shore.