including this 1500-year-old [bristlecone] tree that had succumbed. I’m no beetle expert, but it looked to me like possibly mountain pine beetle had infected it,” Kitchen said. “There were ...

infestation by mountain pine beetles and a deadly fungus called blister rust — they're collectively killing this tree. Losing whitebark pine on the landscape does not mean just losing one type ...

Find it: In moorland, old native-pine woodland, and rocky areas of the open hill, especially in Scotland. ID: An evergreen shrub or small tree with densely growing, stubby blue-green needles ...

A critical species to the ecosystem is facing a variety of threats. This Earth Day, ABC News is taking a look at solutions for issues related to climate change and the environment with the series ...

The pest is none other than the mountain pine beetle ... reddish-orange and gray as the beetles killed countless pine trees across the region. Colorado’s popular recreation areas were hit ...

One researcher says, though, that while they can dry out and prime trees for combustion, all the finger-pointing at the tiny, wood boring insects isn’t necessarily warranted. Mountain pine ...

As you might be aware, El Paso County and much of Colorado is seeing an uptick in mountain pine beetle (MPB) activity. MPB is a native insect that usually attacks weaker trees as part of a natural ...

A peak in the middle background is Needham Mountain, where another Jeffrey pine was observed at very high elevation, underlining that this is not simply an anomaly on Mount Kaweah. (Hugh Safford, UC ...

Michael BoothThe Colorado Sun 2013 floods gave state trees water they needed to fight off mountain pine beetle, other forest ...

I’ve joined Anthony, who runs adventure company Cradle Mountain Canyons, on a kayaking quest in search of alpine royalty. King Billy pine trees are a living relic of Gondwana, the ancient ...