Big Bend National Park is shutting down trails and campsites this fall—not for construction, but to clear the skies for ...

Companies "knew or should have known, for years—sometimes decades—that this wastewater would pollute Plaintiff’s source water supply," the lawsuit said.

The National Wildlife Federation and University of Louisville researchers worked on an ambitious new roadmap to restore the Ohio River Basin.

This is a conflict between the states of Nebraska and Colorado. But it’s really about water use on the Front Range. … We just ...

Shoshone Lake is only one-tenth the size of its larger and more famous neighbor, Yellowstone Lake. But what it lacks in ...

Missouri is almost completely in drought and Iowa is almost drought-free. The top and bottom of the Mississippi River has had ...