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

UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation ...

Over the past decade the Mountain Pine Beetle (Dendrocthonus ponderosae) has killed millions of pine trees from New Mexico to the Yukon Territory, as a result of an unprecedented explosion in their ...

Nancy Bockino is a mountain guide based out of Jackson, Wyoming, as well as a field ecologist with more than 30 years ...

An annual report from the Colorado State Forest Service suggests that the prevalence of Mountain Pine Beetles has increased since 2021 ...