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.
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