World Rainwater is now unsafe to drink worldwide because of ‘forever chemicals,’ study suggests August 13, 2022August 13, 2022 Wyatte Grantham-Philips, USA TODAY Comments Off on Rainwater is now unsafe to drink worldwide because of ‘forever chemicals,’ study suggests A family of human-made chemicals, PFAS, are now found in every corner of Earth. Their presence has made rainwater unsafe to drink, a study suggests.