In southern Oregon they call it the "fir-mageddon." That's where we first began to notice the rapid decline of our largest and most prolific tree in the Pacific Northwest. The Douglas fir is not only ...

CORVALLIS, Ore. (KTVZ) – Increases in mortality among Douglas firs in the Klamath Mountains are the result of multiple factors that have the iconic tree in a “decline spiral” in parts of the region, a ...

(WSAW) - The Wisconsin Department of Natural Resources is asking landowners to be aware of an invasive species that has been detected in Michigan. Hemlock woolly adelgid target hemlock and fir trees.

With the freezing temperatures and the snow blanketing the ground right now, it is mentally refreshing to look outside and see some green. When you were young you may have called all green trees in ...

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 ...

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 ...

In Southwest Oregon, Douglas firs are dying. And warmer temperatures along with more severe droughts are making the problem worse. What does this mean for the future of forests in places like Ashland?

HOUGHTON LAKE, Mich. – An invasive insect that kills fir trees has been found in Roscommon County, marking the fifth Michigan county with a known infestation. State officials say a forestry technician ...