Grizzly 399 was a bear for the ages
She was 28 years old and dealt with aplomb the hordes of picture-taking tourists and repeated motherhood. When she was…
Bear 399 with cubs Thomas Mangelsen:Images of Nature Gallery
MoreAcidic mine drainage haunts Western rivers
It was the summer of 2015 when the Animas River in southern Colorado turned such a garish orange-gold that it…
Reid Christopher in font of textile bags, mining ruins in background, Gladstone Treatment Plant, San Miguel County, CO. Dave Marston photojpg
MoreHow to learn where we live
I was driving on Montana’s Highway 89 just as fall began showing up at one of my favorite spots for…
MoreWyoming shoots itself in the foot
This summer, the Biden administration offered Wyoming $35 million to help the state plug and clean up abandoned oil and…
MoreWe need mountain lions to do their job as predators
I am a former director of the U.S. Fish and Wildlife Service and have hunted practically as long as I…
MoreGlen Canyon Dam faces deadpool
In 1998, when I was in fourth grade, I joined a class field trip to Mesa Verde National Park in…
MoreHow a controversial poison saved Utah Lake
Ninety-five-thousand-acre Utah Lake is a major water source for the Great Salt Lake. If it dries up or sickens, so…
MoreVolunteers power the Colorado Trail
The Colorado Trail, an iconic 567-mile high-elevation trail that crosses the Rockies, owes its existence largely to Gudy Gaskill, a…
Below The Three Apostles, Colorado Trail Jeff Miller and Dave Marston, Matt Smith Photo
More40 years of living with wolves
Biologist Diane K. Boyd has had a front-row seat to 40 years of wolf recovery in the West, but her…
MoreHikers in a wilderness turn into firefighters
More frequent wildfires in the West can turn hiking through beautiful, high-elevation country into a dangerous game for hikers. In…
Abandoned Ranch buildings above a meadow of Deer Creek south of Anacanda, Montana. Picture taken in late July.
MoreGo all-electric—and help change the world
The company I work for recently built a new ticket office at the base of Buttermilk Mountain in Aspen, Colorado….
MoreGrumpy talk on the trail
I suppose it’s the human thing on a hiking trail to acknowledge one another when passing. But on a well-used…
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