BBCNEWS BBC News October 17, 2021 19:26:00
Tourists come to the lake district for its outstanding natural beauty, but campaigners say the water quality in windermere is so poor it's a national scandal. and there has just been the biggest blue—green algal bloom, all because of sewage entering the lake. a local conservationist has been filming water pollution in the area. that dark patch is a benthic algal bloom. this is the river rothay that feeds into the lake. it actually prevents invertebrates from being able to breed on the substrate of the river itself and then, because of that, tourists come to the lake district for its outstand...
Source: archive.org