Growing Tucson suburbs invade land on the edgoe of Arizona's Saguaro National Park West, when federal funds for a promised buyout of the land fail to materialize.
Lolo National Forest wants to ban snowmobiles on 140,000 roadless acres of the Bitterroot Crest on the Idaho-Montana border.
There is a continuing controversy about who first climbed Wyoming's Grand Teton - Nathaniel Langford in 1872, or a group of climbers in 1898.
Some object to the Forest Service's plan to build a new town for tourists right outside of Grand Canyon National Park.
"Voices from a Sacred Place: In Defense of Petroglyph National Monument," a book edited by Verne Huser, is reviewed, including excerpts.
Congress is slow to act on the chance to purchase and protect New Mexico's Valles Caldera - also known as the Baca Ranch.
Northern New Mexico's Valles Caldera is for sale, and many think the world's largest extinct volcano ought to become the nation's next national park.
Whitewater boating groups are invited to apply for $500 to $2,500 grants to promote river access or conservation projects.
"Walking With Muir Across Yosemite" by Geraldine Vale and Thomas Vale retraces Muir's footsteps and finds that, away from noisy, tourist-thronged roads, much of the park is surprisingly unchanged.
The historic Going-to-the-Sun Highway in Montana's Glacier National Park is in bad shape, and locals in the tourist trade and park officials are arguing over whether the road should be carefully restored, or modernized and rebuilt.
Open houses and meetings are set to involve the public in upcoming environmental impact statements for Yellowstone and Grand Teton national parks.
A report by the Predator Project on the Montana State Trails Program says that agencies give motorized trails the go-ahead without scrutiny.
The Washington conservation group, the Mountaineers, criticizes the new user fees in Mount Rainier National Park as too steep and confusing.
Bill Everhart's "Take Down Flag & Feed Horses" offers a refreshing view of life with the National Park Service, especially in Yellowstone National Park.
The National Park Service invites the public to help plan the management of Capulin Volcano National Monument in northeast New Mexico.
- Mike Sennett on Go ahead, control my guns
- Barbara Ullian on How to love a weird and perfect wilderness
- John Wahoff on It’s not the Wild West anymore. Look before you shoot.
- Tom Kinnane on Missing science, disagreement surrounds fracking report
- Gerald Burton on Back to civics class: 10 things to know about Standing Rock