Death is making the neighborhood begin to look a little shabby. Pinyon pine trees in south central Idaho, particularly in and around City of Rocks National Reserve are dying in noticeable numbers.

Varlin Higbee walks through a dense pinyon-juniper woodland in Lincoln County, Nev. The county commissioner would like to see the trees harvested and used for the production of biofuel. (Louis Sahagun ...

Pinyon-juniper woodlands are a common sight in much of Utah. But pinyon trees are declining, while junipers are expanding.

Creeping climate change in the Southwest appears to be having a negative effect on pinyon pine reproduction, a finding with implications for wildlife species sharing the same woodland ecosystems, says ...

A new study of die-off of aspens in Colo. identified a three-year drought. Feb. 16, 2013— -- Over the past decade, researchers have documented the increased vulnerability of large stands of a ...

Despite the political tug-of-war over two majestic buttes, this corner of Utah is hallowed ground to the tribes and pueblos ...

This article was originally featured on Undark. A nasal, laughing bird call echoed through the Ortiz Mountains in northern New Mexico this September. A couple of pinyon jays chattered loudly as they ...

We have a pinyon pine planted about 10–12 years ago. The bottom part turned brown a couple of years ago. We thought it might be the ips beetle and aggressively sprayed for it, which seemed to keep the ...