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 ...

On an October day in Plumas National Forest, Alex Lemnah traverses the canopy of an incense cedar nearly 100 feet off the ground, listening carefully for the sound of a branch snapping under his feet.

Sydney Hudzinski climbs in the 2023 Minnesota Society of Arboriculture's Tree Climbing Championship. She won in 2024 and is returning to compete in 2025. NINA MOINI: There's a kid in your life who ...

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 ...

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