Add Yahoo as a preferred source to see more of our stories on Google. Conservationists inspect oyster nurseries in the River Conwy, north Wales (ZSL/PA) A network of oyster nurseries set up to help ...

For more than a century, New York Harbor lost the species that once defined it. Pollution, dredging, shoreline development ...

Though threatened by adverse conditions in the Chesapeake Bay, oysters are filter feeders and may provide a much-needed solution for better water quality. John Smith/Corbis If you’re trying to restore ...

A network of oyster nurseries set up to help restore marine habitat have filtered almost half a million bathtubs worth of water in just one year, conservationists say. A scheme to bring the native ...