Western U.S. forests live in close association with fire. They are dominated by trees in the family Pinaceae, which includes many commercially important species of pines, cedars, firs, hemlocks, ...

Skip the tree lot and ditch the dusty artificial tree in the attic. Embrace the living spirit of the season with a potted ...

Fred Austin stood back and watched the crowd snap selfies with the Capitol Christmas tree, and then climb on ladders to sign ...

This year's Rockefeller Center Christmas tree comes with a strong New England accent, and locals could not be more excited.

There are three major types of colophony, depending on whether the source of the oleoresin is gum, wood, or tall oil. Gum rosin (the most common source) is recovered from the sap of living pine ...