Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

The Bug That’s Eating the Woods.” “Small Pests, Big Problems: The Global Spread of Bark Beetles.” “Eighty-Nine Million Acres ...

A UC Davis professor's pleasure hike in the High Sierra turned into a new elevation record for California's highest tree, the ...

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

Pine trees, like oaks and magnolias ... Its proximity to the Appalachian Mountains and Atlantic Ocean, its slightly sub-tropical climate and its relative proximity to the Caribbean and ...

Take a look at snow totals, and see pictures from across the region from the spring snowstorm that impacted southern Colorado ...

"Most mountains are now filled with fallen leaves and pine trees... This accumulation has become a significant factor in accelerating the spread of wildfire," says Baek Min-ho, a disaster ...

Explore trails in British Columbia that criss-cross Canada’s most spectacular mountain range — whatever your level of ...

Pest-infested trees may appear in shades of brown, red or gray, according to the report. Each region in Colorado faces a different threat. The report found that the mountain pine beetle and ...