https://www.bbc.com/future/article/20231016-cleaning-up-pfas-fore...

https://www.bbc.com/future/article/20231016-cleaning-up-pfas-forever-chemicals

from this article , this was noteworthy -

"But with so many forever chemicals already in the environment, efforts to clean them up do not come cheap. A recent report from ChemSec, a Sweden-based non-profit that advocates for safer chemicals, found that the global societal costs – including remediation – of PFAS chemicals amount to €16tn ($17tn/£13.8tn) per year."