He’s a world-class tree climber climbing in a world-class arboretum. Joe Wurzel is a Senior Arborist at the San Diego Zoo Safari Park. He specializes in climbing the tall trees throughout the park.

A friend mentioned a phrase I had never heard before — tree climbing. It sounded baffling. Climbing trees as a sport? Who ...

With hurricane season approaching, God’s Pit Crew is training new volunteers to help with disaster relief, including an advanced tree-climbing class held Wednesday. As part of the training, volunteers ...

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 ...