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

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

The mountains (such as the highest ... and blazing sunshine, but some trees specialise in these conditions. Some, like the Scots pine, have become iconic; others, like the willows, are less ...

Arizona has begun the first phase of a wildfire prevention project around the mountain community of Pine Lake.

The resulting outbreak painted expanses of green mountains reddish-orange and gray as the beetles killed countless pine trees across the region. Colorado’s popular recreation areas were hit ...

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

Mountain Pine Beetles are native to Colorado, and Till said the recent population increase may be due to increased stress on trees. He added those stressors can be anything from fires to lack of ...

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 ...

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.