Channel 4 news item about water pollution

Channel 4 news covered various demonstrations about river and sea pollution, including the one in Abergavenny, which took place on 23 April 2022.  Here is the report:

Channel 4 news item

You may also be interested in reading an article about the river Usk's water pollution in the 19th century!  Here it is:

19th century Usk water pollution