Stories by Janet Pelley

Corroded pipes full of nutrients for deadly Legionella bacteria; other cities at risk

Cuts to emissions of sulfur dioxide and nitrogen oxides help restore natural balance

A new technique helps to identify unreported fluorinated compounds in fire-suppressing foams

The average car age in the U.S. has jumped, keeping new emission control tech off the roads

Microbes in the guts of grain-eating moth larvae might speed the biodegradation of polyethylene