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 ...

Although Mel Hamilton is completely at ease when she works high in the branches of a tree, she said her mother was anxious while watching her compete in the Illinois Arborist Association Annual Tree ...

When you think of science and math, you probably don’t picture dangling from a rope 30 feet in the air. But at Davey Tree’s new SEED Campus, short for Science, Employee Education and Development, the ...

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 ...