With their wide-spreading, leafy branches, ash trees are quite popular in the U.S., but they're being seriously threatened by ...

The emerald ash borer has been detected in Portland, Oregon, and the Oregon Department of Forestry is urging residents to ...

The emerald ash borer is deadly to ash trees—and aggravating for homeowners. Here's how to know if your tree has emerald ash ...

Just outside Cottage Grove at the U.S. Department of Agriculture’s Dorena Research Center, scientists are playing a numbers ...

The emerald ash borer has made its way to Portland, posing a threat to 100,000 ash trees in the city, and the Oregon Department of Forestry is working with the public to monitor the spread and ...

Portland’s tree canopy will not look the same over the next decade. For many residents, the first signs of the emerald ash ...

The emerald ash borer has decimated ash trees in New York, which once comprised 7 percent of the biomass of the state’s forests. In a region of Ulster County stretching from Kingston up to Saugerties ...

Ash trees are dead or dying because of the little iridescent green beetle The emerald ash borer's small size – no bigger than a cooked grain of rice – belies its destructive power. The beetle’s ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. An error has occurred. Please try again ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many native ash trees that cool ...

The look of downtown Dover is changing as tall ash trees are being killed by invasive emerald ash borer beetles.

Oregon forestry officials recently announced that invasive emerald ash borers have been found in six new locations in the Portland area and warned a widespread infestation is on the way.