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 ...

GRANTS PASS, Ore. - Professional arborists will compete in a judged tree climbing competition this weekend at Riverside Park.

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 ...

SEQUOIA NATIONAL PARK, Calif. – Tahoe local Anthony Ambrose has climbed hundreds of giant sequoias in his day, but none like this one. The General Sherman tree in Sequoia National Park stands 275 feet ...

Vertical Voyages takes students upward to sleep in the trees at John Burroughs School. This story first appeared in the Outdoors newsletter. Click here to learn more and sign up. Sometimes, Jon ...

Editor’s note: This is an edited excerpt from Lynda V. Mapes’ book, “The Trees Are Speaking: Dispatches from the Salmon Forests” ($29.95 hardcover), which will be published April 22 by the University ...

LITTLE ROCK -- "This would be the strangest thing to walk up on ... a bunch of astronauts looking up at a tree," contestant Robbie Wilson said as he and other tree climbing enthusiasts watched the ...