A very tiny creature is causing a great deal of damage to some of Maine's spruce and fir trees. We visited a UMaine lab where ...

An aerial survey conducted this past summer by the U.S. Forest Service and the Oregon Department of Forestry found more than 1 million acres with dead or dying fir trees in Oregon, the largest amount ...

Wood chips can be seen flying in air as Jonathan Gay uses a chainsaw to cut a fallen Douglas Fir tree into smaller sections ...

Editor’s Note: This article has been updated to correct the name of an organization that submitted public comment on the project. A project being proposed by the U.S. Forest Service aims to benefit ...

An accelerating decline of Douglas fir trees in Oregon and Washington, driven by drought and beetle infestations, is coinciding with contentious federal efforts to roll back protections on millions of ...

A decade-long die-off of Douglas fir trees centered in southwest Oregon has recently accelerated, potentially requiring forestland owners to change management strategies, experts say. Over the past 10 ...

Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet unpublished research conducted by the U.S. Forest Service. Called “Firmageddon” by researchers, the ...

Flying over Oregon's woodlands, tree health specialist Danny DePinte was stunned by what he saw: a stretch of dead fir that seemed to go on and on. "As we continued to fly along, it just kept going.

Forest and fog above Hoh River, from Spruce Nature Trail; Olympic National Park, Washington. Photo: VWPics via AP Images (AP) What should be evergreen hills and forests throughout the Pacific ...

The rapid decline of our largest and most prolific tree in the Pacific Northwest andmost important tree species to the economy on the planet.

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The latest assessment of forest health in Colorado shows the Aspen area is experiencing a steady spread of infestation from Douglas fir beetles, but Pitkin County overall is faring much better than ...