LINCOLN, Neb.–(BUSINESS WIRE)–The Arbor Day Foundation is using a new data-driven metric to better understand how many people are impacted by the trees it plants and distributes in communities. Known as the “People Impacted Metric,” the data layer gives the Foundation a clearer picture of how many people stand to benefit from a given tree planting or distribution project. “Clearly communicating the benefit of a tree planting project helps people understand the difference their support makes o