BOULDER, Colo. — April 26 marks Arbor Day. People around the world celebrate the holiday by planting trees. The holiday started in Nebraska in 1872. More than 1 million plants were reportedly planted ...

The North American Tree Climbing Championship will include the competitions, plus food trucks and family activities.

(Original Airdate 10/20/02) Surely the envy of many young boys, Peter Jenkins makes his living climbing trees. "It's very normal to climb trees," he explained. "I mean, hey, the human species, you ...

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 a thing. And Dave Katz is one of the world’s best at it. A founding member of the Cornell Tree Climbing Institute, he's climbed trees across the world and taught the technical skills ...

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 ...