D has been used as a pesticide since the 1940s, and gained notoriety as a component of Agent Orange, used by U.S. forces in ...

The study found that even low levels of arsenic in drinking water may increase the risk of below average birth weight and ...

Smoke from raging Canadian wildfires is once again worsening air quality in some U.S. states.. Parts of the Dakotas, Minnesota, Wisconsin, Illinois, Indiana, Ohio and other states were all ...

Wildfire smoke from Manitoba, Canada, will blow across two dozen states through Saturday, reducing air quality and creating hazy skies.

This interactive map explains where COPD rates, hospitalizations, and deaths are highest across the United States.

Smoke from raging Canadian wildfires is once again worsening air quality in some U.S. states. Parts of the Dakotas, Minnesota, Wisconsin, Illinois, Indiana, Ohio and other states were all ...