Mark Harmon crouches low next to log number 219: a moss-covered western hemlock tree trunk, five meters long, lying dead on the ground in the lush green woods. It’s marked by a thin aluminum tag. The ...

A study from Oregon State University and the U.S. Forest Service found the four-day extreme heat event scorched more than 1,000 square miles of tree canopy Using satellite imagery, researchers have ...

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

ANN ARBOR, MI — An invasive pest that’s killing hemlock trees along Lake Michigan has been discovered at a University of Michigan arboretum in Ann Arbor. The Michigan Department of Agriculture and ...

MUSKEGON COUNTY, MI – A Lake Michigan park that’s heavily infested with a deadly pest that’s killing its hemlock trees will get some treatment this fall. The city of Norton Shores has arranged for ...

A mixed stand of Douglas-fir and western hemlock scorched near Seaside, Oregon following the 2021 heat dome. (Photo by Gabriela Ritokova/Oregon State University) Using satellite imagery, researchers ...