I’m always so impressed to see the work done by people like this. People who dedicate their lives to improving our world. When I compare this to the power hungry and the greedy, if it’s hard to believe we are the same species.
This is the Llynor. It's one of the cleanest tributaries on the Dee. No farmyards or sewage treatment works upstream. And it's mostly forest, a big section being restored to ancient woodland. But it has a major problem.