COUNTY – The Union County Board of County Commissioners invites residents and visitors of all ages to celebrate wildlife and learn about environmental conservation at Wild Earth Fest, hosted by the Trailside Nature and Science Center on Sunday, April 27 from 11 a.m. to 5 p.m., rain or shine. The event has a new location this year in Union County’s scenic 2,000-plus acre Watchung Reservation in Mountainside; the location is moving from the Trailside grounds to the Loop Area.