Rivers in Wales are dying, with sewage, slurry and other pollutants spewing in - but what is the cause, what is the real impact, and where are those whose job it is to protect our rivers?
Show more
Discover 11,128,835 listings and 279,788 playable programmes from the BBC
Rivers in Wales are dying, with sewage, slurry and other pollutants spewing in - but what is the cause, what is the real impact, and where are those whose job it is to protect our rivers?
Show more