Sewage leaks and weeks of rain mean the health of our rivers is low, plus our seas are too polluted to swim in. So what's to be done about the UK's muddy waters? 

See how the ocean's colour is changing 
https://eapsweb.mit.edu/news/2023/Study-The-oceans-color-is-changing-as-a-consequence-of-climate-change

Tietê River in Brazil
https://edition.cnn.com/videos/world/2023/07/08/brazil-river-foam-pollution-cprog-orig-ff.cnn

UK Parliment report on the water quality of rivers 
https://publications.parliament.uk/pa/cm5802/cmselect/cmenvaud/74/report.html