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.