Burry Inlet cockles
Kayley Thomas visits the Burry Inlet, where cockles are inexplicably dying early, plus she meets a cockle gatherer concerned for his trade and the scientists looking for answers.
More about the programme
This edition hears how judges at the European Court of Justice backed a cockle gatherer in the inlet concerned about spills from ageing storm drains in nearby Llanelli and Gowerton.
And it talks to Welsh Water and Natural Resources Wales who say they are working hard to cut the number of those rain-driven overflows and to meet the 2020 deadline imposed by judges.