The Walipini Underground Greenhouse is a simple and effective underground greenhouse that allows you to grow your own food year round. This ingenious design will even grow tropical fruit. The positive and practical aspects of being able to grow food year round are far reaching.
The Walipini underground greenhouse works by utilizing the Earth’s natural cooling mechanism and thermal mass heat storage ability. It captures solar energy, heats the interior of the greenhouse, and stores the heat releasing it gradually keeping temperatures conducive to growing fruits and vegetables all year long.
Walipini Greenhouse Infomation PDF DOWNLOAD
Greenhouse Image © Neo-farms
More Walipini info: Treehugger