The Park Service plans to restrict cars in Grand Canyon, Zion and Yosemite national parks, replacing them with light rail and buses.
Conservationists are unhappy about development company Jeld Wen Inc.'s proposal to build an "ecologically sensitive" ski resort at Pelican Butte in Oregon's Cascade Mountains.
Activists seek to protect Yellowstone's bison from another slaughter by physically shepherding wandering bison back onto protected land.
We are fools to throw away, for a snowmobile's adrenaline rush, the chance to really get close to nature, the writer believes.
Some say the Park Service is overreacting in closing some areas of Mount Rainier National Park to visitors to protect them from possible mudslides.
Some say the National Park Service needs to start charging fees for all the filming that is done in the nation's parks and national monuments.
The Southern Utah Wilderness Alliance surprises some by its opposition to the expansion of Utah's Arches National Park.
The National Park Service is developing rules to allow local park officials to restrict and possibly ban noisy personal watercraft.
Park officials in Yellowstone give rangers permission to shoot bison heading out of the park this winter.
Utah's congressional delegation continues to try to dismantle the new Grand Staircase-Escalante National Monument even as the locals begin to learn to live with it.
Snowmobilers and the tourist industry object to the Park Service's plan to close some Yellowstone trails to snowmobiling in an effort to curb the winter wandering of park bison.
Yellowstone Park officials sign a contract that formally opens the park's hot springs to "bioprospecting," allowing the San Diego company, Diversa Corp., to collect samples of hot-water microbes called thermophiles.
In their own words, ecologist Charles Kay denounces Yellowstone's policy of "natural regulation," while ecologist Mark Boyce defends it.
Scientist Richard Keigley studies Yellowstone's trees to back up his contention that the park's elk herds are out of control and need regulation.
Maverick ecologist Richard Keigley believes Yellowstone's policy of "natural regulation" is not working and, in fact, is harming the park - especially with the park's elk herds, which he says are overgrazing their ranges.
In Utah, Canyonlands park officials and conservationists are saying that an area slated for oil drilling, Lockhart Basin, which is right outside the park boundaries, should be included in the park and protected.
As Yellowstone National Park celebrates its 125th birthday, it continues to struggle with the surrounding states over wildlife management and other questions.
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