For 30 years, Aspen has held the title of Tree City USA, one granted by the Arbor Day Foundation to communities that meet four requirements: The city must maintain a tree board or department, meaning ...

To carve an aspen tree — to take a blade to the trunk for the sake of your initials, for example — is to do harm. Harm to a being with a life expectancy much like our own: 100 years, if we’re lucky.

A local homeowner is suing his neighbors over the felling of aspen trees, the third lawsuit in two years in Pitkin County to center on the removal of trees near property lines. Filed Tuesday in Pitkin ...

A new study from Colorado State University, Western Colorado University and the U.S. Forest Service found evidence that stands of aspen trees could resist wildfires by slowing a fire's advance or ...