David Allan on Walipini greenhouse method
On Nov. 27, 2009, my dad, David Allan, gave an extemporaneous presentation on the Walipini greenhouse methodology. One of the main principles involves embedding the greenhouse in the earth to take advantage of the earth’s constant temperature, to store the solar energy collected during the day. The Walipini was first developed more than 20 years ago by the Benson Institute in Provo, Utah; deployed in South and Central America. The success …
28 November 2009 at 07:22 · Comment
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