In October 1948, a thick haze rolled into Donora, Pennsylvania, a steel town in the Monongahela Valley, south of Pittsburgh.

This week's high heat, combined with untreated wastewater flows from Mexico in the Tijuana River Valley, have led to elevated ...

Sampling on L.A. area beaches found no lead or other metals at concentrations that could hurt humans or animals.

The MPCA fined Northshore Mining in Silver Bay $19,000 after repeated violations of its wastewater permit and Minnesota ...

Amid an unusually warm winter, runoff from rain and melting snow is surging through the Fraser Valley earlier than usual.

The Hoosic River Watershed Association will screen "Dark Waters" at March 24 at UNO Community Center, highlighting Robert Bilott’s legal case against DuPont over environmental pollution. A post-film Q ...