Rivers have been legal personhood in some parts of the world e.g. https://www.bbc.com/travel/article/20200319-the-new-zealand-river-that-became-a-legal-person
In the UK the fight to pass nature rights laws is quietly gaining pace see: https://www.theguardian.com/environment/2021/jul/17/laws-of-nature-could-uk-rivers-be-given-same-rights-as-people-aoe
Lewes council has passed a motion recognising The River Ouse’s rights to protection, amid growing concerns over pollution of waterways. See: https://www.theguardian.com/environment/2023/mar/01/sussex-river-ouse-first-in-england-legal-rights-aoe
Could the Teifi be given these rights to help protect it from pollution?