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 ...

Scientists learn how to ascend and study the world’s tallest trees. Tree Climbing School at Dorena offers a demanding 4-day training to teach ecologists and scientists the skills they need to ascend ...

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 ...