Bad news from Rockland Broad

MARK Cocker's latest Country Diary for The Guardian makes grim reading.Rockland Broad, it appears, is heavily polluted. Anecdotal evidence from local naturalists has been confirmed by diseased clams found on the Broad's bed. Tests showed they have been infected by heavy metals perhaps stirred up by recent dredging. "It seems we now have some of the answer to what has befallen Rockland," he writes, "but can these effects now be reversed? * Read the column in full here