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.
Environmentalists want to close some backcountry roads near Paonia, Colo., that are increasingly popular with all-terrain vehicles.
The Utah congressional delegation's continued attacks on President Clinton only serve to confuse the real issues raised by the president's declaration of the Grand Staircase-Escalante National Monument.
Book review of Dave Smith's "Backcountry Bear Basics: The Definitive Guide to Avoiding Unpleasant Encounters."
A report by the Greater Yellowstone Coordinating Committee, "Winter Visitor Use Management," discusses the threats to the park brought on by recent, greatly increased winter visitation.
The Forest Service revises its approval of a ski area expansion onto public land in Telluride, Colo.
Across the country, conservationists battle the rapidly growing use of noisy, motorized water "thrillcraft," such as jet skis and power boats.
In separate attacks by mountain lions, a boy in Colorado's Mesa Verde National Park is wounded, and another boy, in Rocky Mountain National Park, is killed.
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