oysters
Oyster reef the 'size of a football pitch' created in North East England
10,000 European native oysters have been introduced to a newly built living reef off the coast of Sunderland in bid to restore the threatened species and support Britain’s marine life.
John Craven: Can oysters save our seas?
One single oyster can filter up to 200 litres of water a day. But with 85% wiped out globally, is it too late? John Craven reports.
