toxics

Salt lakes in the American West are shrinking — from Utah’s Great Salt Lake to smaller lakes scattered across the Great Basin. In her new book “Salt Lakes: An Unnatural History,” writer Caroline Tracey explores why these unusual landscapes matter, and what their decline reveals about humans’ impact on the environment.

A new report shows thousands of elementary schools across the U.S. are near farms likely sprayed with pesticides linked to cancer and other health problems. That includes hundreds of schools in the Mountain West.

Pregnant women following the government's guidelines on seafood may be consuming toxic levels of mercury. The FDA and EPA advise pregnant women to consume…