W. Jacobi/Colorado State University

The Colorado State Forest Service says certain trees will be less colorful this fall. A wet spring and summer have been ideal conditions for at least two kind of fungus that are affecting aspen and cottonwood trees across much of Colorado.

Colorado’s Mountain Pine Beetle epidemic is subsiding but a new threat is on the rise. The Spruce beetle has killed large swaths of forests in Colorado’s southwest and a new report shows the Roaring Fork watershed is at risk. Drought and climate change are weakening trees, giving this native beetle a larger area to attack. Aspen Public Radio’s Marci Krivonen spoke with Jamie Cundiff. She’s the Forest Programs Director for the Aspen Center for Environmental Studies.