"The Environment Agency said this is because legacy substances, such as heavy metals from mining, take decades to break down, and some are building up.
But Prof Johnes said it was also a "failure to regulate effectively" the new chemicals entering rivers, from antibiotics to the "forever chemicals" known as PFAS - many not routinely monitored."
Framing: assertive ·
First seen: 2026-08-06 ·
Last seen: 2026-08-06 ·
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