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 ...

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 ...

Warming temperatures continuously impact mankind, wildlife, major corporations and propositions at all levels of government, but for Flagstaff forests, climate change is a catalyst for countless ...

A proposal to try to revive aspen stands across 375,000 acres of the White River National Forest has drawn criticism from environmentalists, endorsements from some local governments and concerns from ...

CRESTED BUTTE, Colo. — Aspen trees are the celebrities of a Colorado fall day. Think about it. People line the roads to take pictures with them. Instagram feeds from all over the state feature ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...

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 ...

On the shoulder of Kebler Pass, about seven miles west of Crested Butte, a giant lounges in the Colorado high country. The Kebler Pass aspen stand covers the equivalent of just over 100 football ...

An infestation of aphids and other bugs is putting Aspen's cottonwoods under extreme stress and causing their leaves to die earlier than normal, according to local tree experts. "This is the worst ...

Ed Cooper, who lives on Purdy Mesa in the Whitewater area, loves driving up Lands End Road to the top of Grand Mesa to escape the heat. “It’s just a beautiful place,” he said. Even from his house, he ...