Rivers & Lakes
Agency contractors were excavating debris at the old mining site when the river flooded with wastewater.
Boaters are joining wildlife advocates, farmers and power companies to parcel out each cubic foot of Western rivers.
A historic legal victory could give Alaska tribes more control over their fish, wildlife and homelands.
In Oregon, a cluster of lakes is drying up — with dire impacts for the millions of migrating birds that survive off them.
A candidate for governor is drawing heat over revelations that he sued to close river access on the Gallatin River.
California, Arizona and Nevada are back in negotiations about the dwindling Colorado River water supply.
Concrete used to rebuild bridges on the Front Range appears to be the culprit for the deaths of 5,600 trout and other fish.