We saw die-back in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter ...

Natural selection is acting upon thousands of locations within the ash tree DNA, driving the evolution of resistance as the ...

WRENSHALL — The Minnesota Department of Agriculture has quarantined Carlton County after discovering infestations of an ...

The emerald ash borer, an invasive insect that’s killed millions of trees across the United States, was found in several ...

After ten years of preparing for and working to prevent the spread of emerald ash borer in the Denver metro, the city and ...

Denver has detected the invasive emerald ash borer, urging residents to identify and act on ash tree infestations.

Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer.

"It's just a matter of time," a researcher said, before this invasive insect that is an East Coast nuisance pervades Michigan ...

Urban trees could represent important short- and long-term landscape sinks for elemental carbon (EC). Therefore, we quantified foliar EC accumulation by two widespread oak tree species—Quercus ...

The emerald ash borer is an invasive species of beetle that can easily spread, and is able to destroy a large full grown ash tree in just three years.

You may have had to remove a tree on your property if it got damaged in a storm and became unsafe, or if its roots start encroaching on underground utility lines. But there's another reason you may ...