Toxic

Two new analyses make clear the Environmental Protection Agency and the Department of Defense have downplayed the public-health threat posed by chemicals used to develop Teflon and Scotchgard.

• By Abrahm Lustgarten

The Environmental Protection Agency made a splash on Tuesday for barring journalists from three news outlets from attending, in person, a summit about contaminants in drinking water.

• By Francie Diep

Nail polish, batteries, hand sanitizer: You may not think of these regular household items as toxic, but they are, and they’re poisoning our water and food supplies.

• By Carmen Marriott