Charlotte Smith hears advancements in farming seaweed which in turn could be used to feed farmed fish. Scientists at the National University of Ireland are researching growing seaweed on ropes with mussels.
Hundreds more dairy farmers are facing cuts in their income after milk processors Arla and Wisemans followed Dairy Crest's lead and cut the price they pay for milk by two pence per litre. Dairy farmer David Bingham tells us why this cut means that he will be leaving the industry. However, Dairy Co - which represents British dairy farmers - is more optimistic about the industry.
And should cows on a common be fenced in? Charlotte visits Chorleywood Common on the edge of the Chilterns to hear about an issue which is raising a centuries-old debate about the rights of commoners.
Presented by Charlotte Smith. Produced by Emma Weatherill.