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 ...

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 ...

TOWNSHEND — Those warm spring Vermont days hearken back to childhood memories of climbing up a tree, going higher and higher, testing your limits. Brandon Dobnick, a resident of Stamford, Vt., holds ...

When Brenda Sandberg was a little girl growing up in Durham, N.H., a large maple tree separated her childhood home from the neighbor’s. The tree’s limbs were big and low, and on nice days after school ...

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 ...