"Tree Mail": After living in the House Tree, Rae Rae understands the importance and practicality of living in a GREEN themed home. Rae Rae makes a return visit to "Higher Ground," a Certified GREEN home in New Smyrna Beach, Florida which is completely self sufficient for all its needs. He learns all about the energy sources and automated control of this house of the future! "Enviro-Do-And Show" Project: Today's project is a custom light switch plate... its fun, it's easy and you can put it in your green home. "Critter Connection": Henry the Wreathed Hornbill.