German researchers are studying using an overhead solar PV system, designed to be removable and reusable, as a sunshade for young fir trees. The pilot, located at a quartz sand excavation site, will ...

Of all the Christmas traditions, there's nothing quite as magical as picking out a tree. Picture this: You're strolling through rows of luscious pine, fir, and spruce trees on a brisk afternoon at a ...

Christmas trees are big business out West, but a hotter climate means challenges for tree growers. John Tillman owns Tillman Christmas Trees and has acres of Noble, Nordmann, Fraser, Korean and ...

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

Douglas fir dieback, caused by drought and insects, has spread from southwest Oregon into the Willamette Valley in a major ...