Founded in 1972, the Arbor Day Foundation has grown to become the largest nonprofit membership organization dedicated to planting trees, with more than one million members, supporters and valued partners. Since 1972, almost 500 million Arbor Day Foundation trees have been planted in neighborhoods, communities, cities and forests throughout the world. Our vision is to lead toward a world where trees are used to solve issues critical to survival. Arbor Day have the ambition to plant another 500 million trees in the next 5 years!