Purpose Is Key by Trees Are Key published on 2019-08-06T14:08:16Z Trees Are Key When this episode goes ‘live’ I will have taken over as President of the Board of the International Society of Arboriculture. Often, milestones in our life REQUIRE us to reflect. This is one of those times. Purpose is defined as “the reason for which something is done or created or for which something exists.” What is your purpose? What is your organization’s purpose? Listen in as we further explore the role of purpose in our lives and work. Species Spotlight The Rocky Mountain Ponderosa Pine Pinus ponderosa var. scopulorum is an Evergreen Texas Native. This large tree, over 100 feet tall (230 feet max.) and a trunk to 3 feet in diameter (8 feet max.), has an open, rounded crown of dark green needles. It is the most important commercial pine of the southwestern U.S. and many parts of the Rocky Mountain region.