The Arlington Conservation Council (ACC), Neighbors of Randol Mill Park (NORMP), and the UTA College of Science (COS) are sponsoring an Earth Day celebration at Randol Mill Park. Volunteers are needed for a variety of clean-up and maintenance activities. Volunteer check-in begins at 7:45 a.m. on the day of the event, with an early Birding Walk provided at 8 a.m. prior to assigned volunteer work taking place from 9 a.m. to noon