Montana’s environmental regulator has denied a petition to designate the Big Hole River as impaired by nitrogen and phosphorus, throwing a wrench in environmentalists’ efforts to put the blue-ribbon ...

The new testing, the result of a partnership between the county and the U.S. Geological Survey, showed pollution levels were "exponentially" lower.

The Black River contains the highest PFAS levels in the Grand Strand area inland of the Pee Dee basin. Local groups are ...

Arizona’s intense summer heat puts a strain on the supply of electricity, and power companies have long turned to older, ...

Communities already facing pollution and failing infrastructure can become even more vulnerable when federal protections are ...