Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

FARGO — Emerald ash borer has finally made its way to North Dakota. On Aug. 22, the beetle was found in a trap near Edgeley. Forestry experts with the City of Fargo are busy treating healthy ash trees ...

We have to be aware of "Tree Blindness" — the human tendency to overlook trees until they are gone.”— Kenny Anderson ...

When ash trees started to be removed in St. Paul, Mary Heskel began to wonder. The Macalester College biology professor knew, of course, that the trees — one of the most widely planted in the city — ...