Research entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They’re looking particularly for those affected ...

ST. CLOUD — Shawn Sweeney likes to think of himself as a "tree doctor," and he cares for all his little (or not so little) "tree children." It's an informal way of describing his latest passion.

JOLIET, Ill. (AP) — Residents in Will County are seeing massive changes in their municipal treescapes as villages and cities compete for the best ways to remove and replace ash trees infested with the ...

Eversource wants to protect more of its at-risk power lines, removing trees along busy roads that could cause problems when winter weather arrives. Ash trees are native to New Hampshire, but the ...

WAUSAU, Wis. (WSAW) - The Wisconsin DNR reminds hunters to avoid placing deer stands in or near ash trees as they start scouting properties ahead of the coming deer hunting season. Most ash trees in ...

The invasive emerald ash borer beetle is confirmed to be in five new Texas counties, the Texas A&M Forest Service says. The non-native small green beetle was found in Jack, Navarro, Somervell, ...