Wildfire smoke is spreading across North America, threatening air quality across much of Canada ... advisories have been issued in Washington State, Oregon, Idaho, Colorado and Wyoming.

After the Idaho Legislature nearly derailed wolf reintroduction, the Nez Perce Tribe stepped in to manage wolves for the ...

Negotiations over the Columbia River basin could affect the environment in Canada and electrical ... from British Columbia through Montana, Idaho, Washington and Oregon, and provides the single ...

On Friday night, the northern lights, also known as the aurora borealis, were visible in parts of Washington, Idaho, Montana ... people in the United States, Canada, Europe, China and beyond ...