In 2006, Kathleen Knight was walking through a forest in northwest Ohio. She's a researched ecologist with the U.S. Forest Service. All around her were big, beautiful ash trees, tall trunks with lush ...

A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop it from causing further damage. The USDA is hoping to spread the word so ...

As emerald ash borer (EAB) infestation continues its march across the continent, Don Kinzler shares the distinctive identifying characteristics of an ash tree.

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 ...

Your donation today will help MinnPost continue to report on the news you need. In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This past fall, 15 years later, the city cut ...

The Emerald Ash Borer has been detected in Denver nearly a decade after city officials began preparing for the invasive wood-boring insect. According to the City and County of Denver, the EAB was ...