SWARTHMORE, Pa.—In the basement of Swarthmore College’s dining hall, a transformation is underway. As students eat lunch upstairs, beneath their feet, the school’s fossil fuel past is being replaced with its clean energy future.  Off a cavernous, buzzing space that will eventually house the plant at the heart of a new geoexchange system for heating … Continue reading A Small Pennsylvania College Is Breaking New Ground in Pursuit of a Clean Energy Campus