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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in ...

COEUR D'ALENE, Idaho -- If you want to impress your friends with your tree knowledge on your next hike, check out the upcoming class from UI Extension Forestry. On April 26, The UI Extension Forestry, ...

Douglas firs, hemlocks and ponderosa pines are fundamental parts of Oregon’s natural forests. In fact, there are people working across the state to breed better versions of those trees to be more ...

The giant Doerner Fir tree caught fire Saturday in Coos County, Oregon. Firefighters are figuring out how to save the historic tree. A drone captures fire damage from above the Doerner Fir tree in ...

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 ...

West Coast forest landowners are expected to adapt to climate change by gradually switching from Douglas-fir to other types of trees such as hardwoods and ponderosa pine. West Coast forest landowners ...

My 2-year-old knows no one of that name. She wanted to see a tree. Throughout the pandemic, the two of us have trekked rain or shine to the green canopy of a solitary neighborhood Douglas fir. There, ...