Synopsis

Landscape contractor Roger Cook journeys to Harvard University to explore their innovative organic lawn care program, demonstrating to host Kevin O'Connor the process of creating his own "compost tea." Subsequently, Cook and O'Connor join general contractor Tom Silva and plumbing and heating specialist Richard Trethewey as they ponder the question, "What is it?" Following this, Silva assists a homeowner in preventing attic mildew by correcting an improperly vented bathroom fan near the soffit.