Michigan GREEN (Group for a Renewable Energy Efficient Nation) and Dell, Inc. announce a tree planting event to complement the recent sale of 4,000 Dell computers to the state of Michigan.  Students from Alto, Bushnell, Cherry Creek, and Murray Lake Elementary Schools will vie for the honor of planting 1,000 red and white oak and sugar maple saplings at the Wittenbach/Wege Agriscience and Environmental Education Center  and the adjacent Wege Natural Area in Lowell.