Travelling across Ireland, it is hard to ignore the lines of dead and dying ash trees in the hedges.

The emerald ash borer (EAB) is a small, metallic-green beetle native to Asia, but don’t let its size or color fool you—it’s ...

An emerald ash borer CBS The city told CBS Colorado that there are 1.45 million ash trees in the Denver metro area, with 330,000 of them in the City and County of Denver.

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

Kelly Robinson, owner of Colorado Premier Tree Care, is telling all of his Denver clients that the emerald ash borer, a destructive beetle, has been detected in the city.

A tree which stood alone in a Glasgow street for more than 100 years could be on the verge of national recognition.

Research suggests new generation of young ash trees showing greater resistance to ash dieback fungus than adult trees.

Britain's trees are evolving resistance to the deadly ash dieback fungus, scientists have revealed. The disease has wrought havoc on the countryside, leaving behind the remains of dying ash trees.

Research suggests new generation of young ash trees showing greater resistance to ash dieback fungus than adult trees.

A cedar tree climbed by The Beatles is among those shortlisted for Tree of the Year 2025. Voting opened on Friday for the ...