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 [...]

Competency with a task means being able to perform that task correctly and safely, without direct supervision. Proficiency is a high level of competency. TCIA file photo courtesy of the Women’s Tree Climbing Workshop, a TCIA corporate member company headquartered [...]

Brandon Bogus, owner of A-Plus Tree Service, an eight-year TCIA member company based in Fremont, Nebraska, earned TCIA’s Certified Treecare Safety Professional (CTSP) credential a few years ago. Brandon Bogus, far right, with his crew members, from left, Joe Kuntz [...]

“You can’t just rest on your laurels. You have to be constantly vigilant,” says Ezekiel T. Willard, owner of Idaho Tree Preservation (ITP), a 12-year TCIA member company based in Boise, Idaho. As such, he has constantly pursued more education [...]

Mathematics is not a field that sparks much interest among tree workers – or people in general. But the field of probability plays a role in just about everything tree workers do. If you knew that the odds of being [...]