Dams, pollution and the collapse of the European eel with Joe Pecorelli

"The work that I'm involved with is more at catchment, at river basin scale. So it's trying to do the best we can - for us it's within the Thames - to hold as many eels in it as possible within that can grow up and migrate back to the Sargasso." The European eel is a truly fascinating creature, spending its life in freshwater rivers, streams, and even ponds, before turning silvery blue and swimming all the way to Bermuda’s Sargasso Sea to breed. Eels are disappearing fast. In this episo...