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 ...

Tree climbing is an indispensable component of forestry work, serving as a vital means to access the canopy. In the Northwest, pine cone collection is one of the primary reasons for tree climbing.

On a hillock on the campus of Xiamen University, a large eucalyptus tree towers above the bamboo grove. A group of men and one woman look up at the maze of silver branches high above their heads. The ...