Introduction

Earth sheltered greenhouse. Massive heat storage during the cold season (warmth in winter, coolth in summer). Very suitable for partly cold climates. Also called "Walipini" in South America. Brigham Young University has created an interesting design for an Earth sheltered growing environment greenhouse.

Also of interest: Mike Oehler, of UndergroundHousing.com), who started building these in the 70s. His book: The Earth-Sheltered Solar Greenhouse Book