Ash trees are dead or dying because of the little iridescent green beetle The emerald ash borer's small size – no bigger than a cooked grain of rice – belies its destructive power. The beetle’s ...

Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

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One of the three wasp species the state's Division of Forests and Lands uses are tied to a tree during their release so they can emerge in their own time. Earlier this summer, during a scheduled tree ...

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.

Federal funding for public media has been eliminated. Take action now and protect OPB's independent journalism and essential programs for everyone. The beloved characters of James Herriot’s All ...

Research entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They’re looking particularly for those affected ...

Throughout this month, K-State’s Division of Facilities will continue removing trees on campus to prevent infestations of ...

On an early summer day in 2016, entomologist Jian Duan arrived at a nondescript office building in north Houston to deliver some bad news—and some good. Texas forestry officials had notified Duan a ...

Picture this: You’re walking along White Rock Creek, surrounded by the dense canopy of green. In that canopy, you see the majestic ash trees. One day, a tree gets removed. Maybe you don’t notice. Then ...

EAST PROVIDENCE, R.I. (WPRI) — The city of East Providence is taking proactive steps to save its tree canopy from an invasive insect species. City officials told 12 News a survey of city-owned ash ...