The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

Hundreds of ash trees with the die-back disease will be cut down across the Ribble Valley, costing the borough council thousands of pounds. Ash die-back has hit trees on council-owned land including ...

Samples for the study were collected by researchers from Penn State, the Forest Service and other partners around the Oregon ash range, extending from California, Oregon and Washington into British ...