Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

Fred Grandy was upset by the United States’ reversal in its support for Ukraine, his family said. This week, he was among the ...

A controversial wood treatment plant in Eugene’s Bethel neighborhood is now officially a site warranting millions – if not ...

Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer.

Indigenous leaders are condemning the state’s plans to build what's been dubbed “ Alligator Alcatraz ” on their homelands.

From Portland's therapy llamas to Detroit's LED tunnel, the top 10 U.S. airports offer regional delicacies, art installations ...

Parts of the North Cascades and Mount Baker are facing an outbreak of the western spruce budworm, aerial surveys reveal. The ...

Fred Grandy, an American artist who made whimsical wooden signs and colorful metal flowers, came to Kyiv because he was devastated that the United States seemed to be turning its back on the war in ...

These dwarf conifers are perfect for filling a small space. The Difference Between Pines and Conifers Here’s one of our ...

The Hawaii Department of Transportation has a draft plan to largely eliminate greenhouse gas emissions from ground, air and ...