The rise in tree mortality is troubling for local forest ecosystems. As a global phenomenon, however, it has a significant social impact that remains poorly understood. "We don't currently know ...

This is a common question following new construction. Typically, trees don’t die immediately from construction damage. It often takes several years for the symptoms to develop. Connecting today’s ...

SEATTLE — Trees upon towering trees make up what Washingtonians know to be one of the most stunning landscapes in the nation. In Shoreline, a towering fir tree was cut down. While beautiful at one ...

Entomologist explains why Douglas fir trees are dying in Oregon An Oregon Department of Forestry entomologist explains how drought stress weakens Douglas fir trees, leaving them vulnerable to ...

An arborist encountered something baffling after slicing into a client's tree: concrete. "First time seeing this," the Redditor wrote in the subreddit r/Arborists. An accompanying photo shows a large ...

This is read by an automated voice. Please report any issues or inconsistencies here. Roughly 20% of surviving street trees have disappeared from Pacific Palisades and Altadena since the January 2025 ...