Survey teams using hand-held computers are conducting a three-week inspection of more than 8,500 American elm trees along District streets, looking for wilting leaves, dead branches and other symptoms ...

Above: An elm-lined street in St. Paul, MN, before most of the trees were killed by Dutch Elm Disease. Although the American elm persists in forests and pockets of cities and towns, Dutch Elm Disease ...

After Dutch elm disease arrived on a log shipment from Europe in the 1930s and began systematically wiping out our American elms, many of us marked elms off our lists of trees to consider for ...