-- North America in general --

Geoscientists have for the first time revealed the magma plumbing beneath Mount St. Helens, the most active volcano in the Pacific Northwest. The emerging picture includes a giant magma chamber, between 5 and 12 kilometers below the surface, and a second, even larger one,...

In a large forest land in British Columbia is a growing miracle: clusters of large trees that have grown as an effect of climate...

In a new study in Environmental Research Letters, a team of hydrologists that includes University of Utah professor Paul Brooks answers that question by simulating isolated climate change effects on Rocky Mountain stream systems, varying the type of...

Seated in a circle around the conference room at Blue Mountain Community College in Pendleton, about 30 people gathered Saturday afternoon to discuss the effects of climate change on local forests and what can be done to make the landscape more adaptable.

Wildfire weighed...

Scientists from the United States National Park Service (NPS) and three American universities predict a complex future for populations of the diminutive and charismatic pika. The hamster-sized member of the rabbit family lives in rocky, icy patches in the western United States.

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Mountain glaciers are significant water storage mechanisms, but they are rapidly declining in extent worldwide. A new study shows that in the Pacific Northwest, glaciers in British Columbia and Alberta are projected to decline by around 70 percent relative to their 2005 levels by 2100...

Denali is the tallest mountain in North America. Located in south-central Alaska, the mountain's peak is 20,310 feet (6,190 meters) above sea level, also making it the third highest of the Seven Summits — the highest mountains on each of the seven continents — following Mount Everest...

North America's tallest mountain peak just got a new name. Or, more accurately, the mountain formerly known as Mount McKinley just got its old name back.

On August 30, during a trip to Alaska, President Obama said the name of the state's 20,237-foot (6,168 meters) mountain...

An ancient forest of mature pine trees, standing upright under 100 feet of water in a small lake in the Tahoe Basin, helps scientists as they study how changing climate can affect mountain environments and the communities in them. The trees, discovered and studied by a University of...

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