An air quality alert was reported by the National Weather Service on Tuesday at 1:57 p.m. in effect until Wednesday at 10 a.m. for Dixon and Dakota counties.

In estuaries—the transitional zones between rivers and the sea—fresh and salt water are constantly battling for dominance. But due to climate change, the saltwater is gaining ground. New research by ...

More than 30million Americans are living in areas with unsafe drinking water, researchers from the Society for Risk Analysis warn in a first-of-its-kind study published thsi week.

Tourists visiting the area surrounding Mount Rushmore on Monday were hit with “unhealthy” air quality warnings in a wide stretch of the Great Plains, according to readings from the Environmental ...