More trees in Edmonton have been infected with Dutch elm disease (DED), two years after the first case was detected in 2024. The trees in both the downtown area and Delwood neighbourhood mark the 15th ...

A newly established insect species is contributing to the spread of Dutch elm disease in Edmonton, where officials have confirmed 17 cases of the tree-killing illness so far this year. Dutch elm ...

MONTPELIER, Vt. (AP) — The very disease that has decimated millions of American elms in the U.S. is now being used to bring the iconic trees back. In Vermont, Leila Wilson, a research ecologist with ...

As many as 100 million elm trees died from Dutch elm disease in the span of 50 years. Now, decades of careful breeding may help them return. In a Vermont field, a team tends to young elm trees.