Saying that a recent tree-climbing school was hands-on is a bit of an understatement. As an arboreal activity that requires a whole-body commitment, the course held Aug. 12-15 by Penn State Extension ...

Petrini looks for dead wood to trim from the tree. Fellow tree trimmer Stan Higgins works on a different tree. Tree trimmers Sam Pumroy (top) and Dave Kapellas work on a transplanted coast live ...

Tree climbing is typically regarded as a happy childhood activity. However, one company is helping people of all ages discover, or rediscover, one of life’s simple pleasures. Expert tree climber Tim ...