A draft report from the National Academy of Sciences confirms that 30-40 percent of Yellowstone bison test positive for brucellosis but concludes that the risk of them infecting cattle is almost nonexistent.
The American Recreation Coalition, which lobbies for motorized recreation, has become a potent force in the nation's capital as outdoor recreation becomes the dominant natural resource industry, especially in the West.
A judge upholds the right of the National Park Service to ask rock climbers to stay off Wyoming's Devils Tower during June, when Native Americans hold religious ceremonies.
A planned jetboat race up and down a 50-mile stretch of the Yellowstone River in Montana is cancelled following a flurry of criticism.
Hells Canyon Preservation Council and Northwest Ecosystem Alliance sponsor a wooden/dorie benefit float trip down the Snake River, June 1.
Locals and critics charge that Vail Associates is using a ski area expansion as an excuse to develop the area and sell valuable real estate at the expense of elk and lynx habitat.
The nonprofit Global Exchange offers "reality tours" that put tourists face-to-face with poverty and other problems, including environmental issues.