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 ...

When it comes to choosing the right fast-growing tree for year-round privacy, the iconic Douglas-fir (Pseudotsuga menziesii) Christmas tree may not be the first thing that comes to mind. Its fresh ...

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 ...

Increases in mortality among Douglas-fir in the Klamath Mountains are the result of multiple factors that have the iconic tree in a 'decline spiral' in parts of the region. Increases in mortality ...

Douglas fir trees around Ashland are dying in the thousands. It’s one example of how our changing climate is affecting forests in the region. Ashland Fire and Rescue Wildfire Division Chief Chris ...

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 ...

A historic coastal Douglas fir tree known as the Doerner fir, which is believed to be 450 years old and is 325 feet tall, was burning in a fire east of Coquille on Aug. 17, according to the Coos ...

CORVALLIS, Ore. – Increases in mortality among Douglas-fir 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 new ...