Forest protectors are defending mature forests from logging after dam removal and restoration on the Elwha River.

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

More than half a million acres of trees spread across Washington were sick, struggling, or dead last year, according to the ...

A tree caught fire between two homes in Everett on 16th Place West on Friday, spreading flames to two houses and causing ...

Dozens of trees on a ridge above I-90 were cut or stripped. King County is now suing a trio of property owners.

According to an announcement, the outbreak has affected Washington, Garrett and Allegany counties, leading to significant leaf damage on hardwood trees, particularly oaks.

Infrastructure is the stuff that makes life possible. But it's an eyesore. As early as the 1910s, Pittsburghers sought ways to hide it.

It’s hard not to be dazzled by the bright yellow butterflies fluttering around the Inland Northwest these days. Not only are they striking in color, but they’re among the biggest butterfly species in ...

The Maryland Department of Agriculture has reported an outbreak of defoliating caterpillars in Western Maryland. According to an announcement, the outbreak has affected Washington, Garrett and ...

Thunderstorms are moving across Western Oregon and Southwest Washington on Friday, bringing pea-sized hail, gusty winds, and ...

Aerial surveys find 545,000 acres of damaged trees in Washington, marking an increase from the previous year and underscoring ...

Grays Harbor County in Washington secured a federal grant to pay for a much-needed levee with bipartisan support. Then the Trump administration cut the program.