Like many trees, ash trees undergo leaf shedding each fall and winter. Unlike other trees, ash trees are specifically ...

Take a stroll through your community and you'll likely pass beneath the canopy of an ash tree or marvel at these trees that ...

Lea Nash was talking to her neighbor about Oregon's newest pest when one flew into her neck — or so she thought. Standing near their Eugene homes close to River Road, the bug bounced off her neck and ...

Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...

James E. Zablotny/USDA APHIS This week, crews removed dozens of infested ash trees in Forest Grove as part of a state plan to slow the spread of the destructive pest. This month, state agencies ...

Jennifer Killian knew the inevitable was coming. She just didn’t know how soon. As an urban forester for the city of Corvallis, her biggest fear was that the emerald ash borer, an invasive beetle, ...

Nick Kelly spoke with a tree & conservation expert on how to identify and deal with Emerald Ash Borers.

ITHACA, N.Y. (WBNG) -- Cornell University is developing a new variety of ash tree that could be resistant to a particularly destructive pest. The university is the first propagation center in the ...