Scotia-Glenville High School student Mandy Mabee, 16, left, laughs as she is helped into a lawn and leaf bag by Melissa Kuhl, 17, of Duanesburg High School, center, and Paige Lewis, 17, of Shenendehowa High School along the fitness trail at Bower Park in the town of Colonie Tuesday. BOCES students in the Lodging and Management program and Albany Marriott employees spent the morning cleaning up the trail in honor of Earth Day.