Blue Hill, Maine – University of Maine Cooperative Extension will offer Seaside Invasion, a free, hands-on learning activity for youth ages 5 to 13, on Wednesday, Nov. 18, from 3:30 to 4:30 p.m. at Blue Hill Public Library, 5 Parker Point Road. The library is hosting the event as part of the 4-H Coastal Kids read more UMaine Extension 4-H offers educational workshop on invasive species in Blue Hill