SOUTHWEST HARBOR, Maine- Lt. Ashly Thomas (RIGHT), of the Southwest Harbor Sector Field Office, talks with 8th grade, science students from Tremont Consolidated School in Bass Harbor, Maine, about 'green' energy while the students are on a field trip to Coast Guard Housing in Southwest Harbor, Maine, Wednesday, March 13, 2010. The goal of the field trip was to show the students how alternative energy sources are being utilized in Coast Guard housing facilities including: a biosolar pellet burner/boiler, solar thermal water tubes, photovoltaic panels and the potential to harness wind energy. (Coast Guard photo by Petty Officer 2nd Class Etta Smith)