Barcodes at the butchers - meat traceability in the light of the horsemeat scandal.
BBC Radio 4 FM
Investigates the evidence that a tsunami hit the coast of Wales and England 400 years ago. (R)
BBC Two except Scotland
9/35 A visit to the Atlantic shore of Ireland's north west coast.
11/13 Steve Backshall plumbs the ocean depths to find an array of bizarre creatures.
UK landfills are full. Should we create energy from our waste? Tom Heap investigates.
BBC Radio 4
3/5 Scarlett Thomas describes fruits and vegetables on a walk across a winter landscape.
BBC Radio 3
11/13 Steve Backshall plumbs the ocean depths to find an array of bizarre creatures. (R)
Thursday 21 February 2013