When we walked with a colleague into an aspen forest near Madison, Wisconsin, in the early spring of 2021, we expected to finalize our plans for a research project on several species of insects that ...

While evergreen trees are a staple of Christmas, they mean so much more to Aspen and the surrounding White River National ...

It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall foliage but ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Considering how quickly ...

This Saturday, the city will celebrate Aspen Arbor Day at Paepcke Park from 9 a.m.-noon — the 31st year of these celebrations since being designated a Tree City USA city. Festivities will include ...

The city of Aspen manages 3,115 narrowleaf cottonwood trees — roughly 27% of Aspen’s “urban forest.” Cottonwoods provide the leafy backdrop to Rio Grande Park, shade the gables of West End Victorian ...

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 ...

Twelve years after the Aspen Fire roared over the Catalina Mountains, once-blackened slopes are showing expanses of bright green new growth — a heartening sign that the forest is on the road to ...

FISHLAKE NATIONAL FOREST, Utah — The world’s densest living organism is right here in Utah. It’s a clone of Aspen trees called Pando, which are connected through a single root system weighing a total ...