I was attending a recent ISA event and overheard a young climber seeking advice about doing the gnarly stuff in tree work. The response was well intended and does have a bit of truth: “It’s easier with people you [...]

Sponsored Content Invasive insects are found throughout the United States and Canada in alarming numbers and have become a major problem in the past several years. Invasive shot hole borers have been targeting more than 300 tree species between San [...]

Using mechanical advantage in rigging makes lifting heavy loads easier. It works by multiplying the force you apply to the load line. This video shows a 4:1 pulley system that will move a load 4 feet for [...]

  Part 1 of this two-part series, “Heartwood and Heart Rot, Part 1: Are They Important to Arborists?” ran in the May 2023 issue of TCI Magazine. Photo 1: Heart rot is simply decay in the center of the stem [...]

  Do you think about weights when rigging, or just tie stuff on and proceed to cutting? Are you someone who spends time factoring in angles, vectors and the system that needs to be built for the task ahead, or [...]