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

Add Yahoo as a preferred source to see more of our stories on Google. A house, shaded by large trees. - Alex Potemkin/Getty Images When it comes to choosing the right fast-growing tree for year-round ...

SHERWOOD, Ore. — Deep inside a forest in Oregon's Willamette Valley stands a dead "Tree of Life." Its foliage, normally soft and green, is tough and brown or missing altogether. Nonetheless, the ...

Douglas fir dieback is spreading from southwest Oregon into the Willamette Valley. Long-term drought has led to swaths of weakened trees increasingly killed off by insects and disease. The flathead ...

Douglas-fir (Pseudotsuga menziesii) is one of the premier species of the Western forests. Not only is the wood exceptionally strong for its weight, but the trees are abundant. Trees can grow more than ...

Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in timber value, damaging infrastructure and ramping up wildfire danger.

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 ...