“Forevergreen” is among the short documentary, live action, and animated films that will vie for an Academy Award on Sunday, March 15. The Trenton Film Society is screening these entries at Trenton’s Mill Hill Playhouse, 205 East Front Street, on Friday and Saturday, March 13 and 14. Short films are defined as under 40 minutes or less — sometimes much less. Visit trentonfilmsociety.org for tickets.