Washington approves over 99% of archaeological permits, records show ...

Montana’s rollback of its water-quality standards comes at a time of heightened attacks on the Clean Water Act nationwide.

The latest map of Colorado wolf movement, released in November, doesn’t show as much southern activity as October’s. But ...

Nearly every part of the Western U.S. is in drought conditions today. As of December, the National Water and Climate Center’s map of snow-water equivalent is colored red, and most places are less than ...