It was a perfect summer Saturday in Medford, Massachusetts, a small suburb just west of Boston. Steve Mauras, fire department district chief of neighboring Somerville, was driving by a municipal park while running errands. He glanced at the impressive oak [...]

Decay is a common defect that occurs in all parts of a tree. Decayed wood has very little strength and often leads to hollows, cavities or both. When decay or a hollow is present in a tree part, its load-bearing [...]

When Urbana, Illinois, arborist Mike Poor first rolled onto a job site with a remote-controlled knuckleboom crane in the late 1990s, the reactions were a mix of awe and head scratching. “That is the oddest-looking crane I’ve ever seen,” one [...]

This discussion began on July 19, 2025, when a climber using the handle DRBetz started a thread on the TreeBuzz forum titled “Let’s Talk About Electrical Awareness.” Within a few days, the post had drawn replies from more than a [...]

We went through the upcoming revision of the ANSI Z133 Safety Standard, pulling out and listing here in sequential order all the relevant parts that affect lift operations near conductors. These apply to conventional truck-mounted lifts as well as “boom-supported [...]