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

Last month, Berthoud Town Forester Paul Furnas finally got the bad news he’d been dreading for years. A local arborist meeting with a resident on the north side of town about a problematic tree on her ...

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 ...

The A38 in Winscombe will partially close to allow trees with ash dieback to be felled.

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

Goetze: An interesting tree of our Rolling Plains region is native to Texas, New Mexico and Oklahoma and has close relatives ...

DENVER — The emerald ash borer, an invasive wood-boring insect, has been detected in Denver for the first time, the city said Thursday. The invasive beetle infests and destroys Native American species ...

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.

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — After 10 years of preparing ...