Tom Heap meets the activists hoping to bring an end to illegal fishing.
Plastic 'ghost gear' left in the sea by fishing causes problems. Lucy Siegle discovers why
Ghost Fishing on 'BBC Inside Out'
Is plastic litter making the ocean a perilous place for fulmars and other seabirds?
Cleaning the seabed, one dive at a time. Miranda Krestovnikoff joins a new clean-up squad.