Add Yahoo as a preferred source to see more of our stories on Google. Mark Harmon crouches low next to log number 219: a moss-covered western hemlock tree trunk, five meters long, lying dead on the ...

PORTLAND, Ore. — As native trees in the Pacific Northwest die off due to climate changes, the U.S. Forest Service, Portland, Oregon and citizen groups around the Puget Sound region are turning to a ...

A U.S. Forest research entomologist discusses efforts to control hemlock woolly adelgid, and what they could mean for the Adirondacks.

The hot, dry summers Clark County and much of the Pacific Northwest have experienced in recent years are harming some native tree species. Forestry experts and environmental groups say western hemlock ...

In Camas, Wash. last week, Crown Zellerbach Corp.’s Executive Vice President Harold L. Zellerbach picked up a gold-painted shovel and patted rain-soaked earth around the base of a newly-planted ...

‘Assisted migration’ means humans can help trees keep up with climate change by moving them to more favorable ecosystems faster than the trees could migrate on their own Douglas fir trees that died as ...