Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

Camila Van Order González is a reporter for Community News Service, part of the University of Vermont’s Reporting & Documentary Storytelling program. Since the emerald ash borer was first detected in ...

Federal funding for public media has been eliminated. Take action now and protect OPB's independent journalism and essential programs for everyone. The beloved characters of James Herriot’s All ...

MOORHEAD — Emerald ash borers, a type of beetle that does extensive damage to ash trees, have been spreading across the United States since the early 2000s. In February, the beetles were found in ...

An emerald ash borer larva chews through the cambium layer of an infested ash tree in Armstrong, located in Emmet County. A buildup of feeding tunnels cut off the vascular or “plumbing system" of a ...

FARGO — A small metallic green pest known for killing hundreds of millions of ash trees in North America has made its way to North Dakota. But Fargo and Moorhead have been preparing for the ...

A computerized tree inventory lets the city forester pinpoint the location of every ash in city parks and roadsides, find out the trunk size and health and determine the last time his crews trimmed ...

The first case of Emerald Ash Borer beetles has been found in central Lakewood. The invasive species infects and kills ash trees, and there’s nothing that can be done to save a tree once the bug bores ...

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 ...

You’re walking along White Rock Creek, surrounded by the dense canopy of green. In that canopy, you see the majestic ash trees. One day, a tree gets removed. Maybe you don’t notice. Then, another gets ...