How to understand the E.P.A.’s new warning about PFAS levels in sewage sludge.

Levels of PFAS in sewage sludge used as fertilizer can pose risks that sometimes exceed safety thresholds “by several orders of magnitude,” the agency said.

Wastewater, even after treatment to make it drinkable, contains high levels of PFAS, according to researchers.

You’ve got choices, from menstrual cups to washable pads. Here’s how they stack up.

The agency obtained research from 3M in 2003 revealing that sewage sludge, the raw material for the fertilizer, carried toxic “forever chemicals.”