Elm trees were once stalwarts of the UK countryside that towered out of hedgerows, lined fields and woodlands. Glance at the landscape paintings of John Constable for a vague idea of what has been ...

The devastation of elm trees in Ireland due to Dutch elm disease is one of the most striking but overlooked changes in our landscape ...

A new, invasive insect species has been detected in Ohio for the first time, authorities said. The elm zigzag sawfly was spotted by researchers infesting elm trees in both Franklin and Delaware ...

A reader of ERR's Novaator science portal noticed diseased ash and elm trees in their home yard and asked what was causing it and what could be done to help the trees. According to Rein Drenkhan, ...

A mature surviving American elm tree stands above 5,200 saplings planted in Benson. Walking down into the floodplain at the Nature Conservancy’s preserve in Benson is like walking into a sea of ...

Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...

Scientists with the Nature Conservancy and Forest Service have been raising American elms that are bred to be resistant to ...