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 ...

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread eastward Wednesday across the Appalachians and into the Mid-Atlantic 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 ...

A satellite image shows smoke rising from wildfires in Manitoba, Canada, on May 27, 2025. Smoke from Canadian wildfires impacted air quality in several U.S. states on May 31, 2025.