CLIFTON, Va. — Hemlock Overlook Regional Park in Fairfax County is being inducted into the Old-Growth Forest Network. This is kind of like the Hall of Fame for really old trees. The Old-Growth Forest ...

One sultry day last July, under skies dimmed by smoke from forest fires burning in Canada, Neil Pederson, 55, a senior forest ecologist with Harvard Forest, searched Green Lakes State Park for old ...

The Pennsylvania legislature designated the eastern hemlock the official state tree on June 22, 1931.This tree thrives in cool, moist sites. It occupies steep north- or east-facing slopes in southern ...

Called “treasures in our backyard” by Fairfax County Board Chairman Jeff McKay, the old growth forest at Hemlock Overlook Regional Park was inducted into the Old-Growth Forest Network on April 17th ...

Photo showcasing insects that are killing eastern hemlock trees. New York’s forests are in trouble. Tiny, destructive insects are spreading fast, killing trees that have stood for hundreds of years.

For more than 20 years, conservationists have been fighting a tiny insect killing the region's hemlock trees. Efforts to protect the trees through insecticide and the deployment of natural predators ...