Ash dieback and other tree diseases are resulting in significantly more greenhouse gas emissions than previously thought because a large amount of carbon is escaping from woodland soils, a study has ...

Something is quietly killing the Midwest’s ash trees. The culprit is small enough to fit on a fingernail, brilliant green in color, and so stealthy that most infested trees don’t show obvious symptoms ...

Traps have been laid as part of a research project to protect native ash trees from an invasive species of insect that can strip a tree bare. The ash sawfly larvae feeds on tree leaves between May and ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

The invasive emerald ash borer beetle has been confirmed in the Dallas city limits, city officials say, including the Great Trinity Forest. The non-native small green beetle is devastating to ash tree ...

SIOUX FALLS, S.D. (KELO) — The city of Sioux Falls is urging people with ash trees to take action if they’re not treating them for emerald ash borer. Ignoring the problem could spell trouble. Rick ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...