I first heard of this from the remarkable gardens of Peter Cooke, which can be seen at their website: http://www.pooktre.com/ http://www.pooktre.com/ And it al

I first heard of this from the remarkable gardens of Peter Cooke, which can be seen at their website: http://www.pooktre.com/ http://www.pooktre.com/ And it also reminds me of the fantastic sci-fi novel by Leo Frankowski, Copernick's Rebellion in which the hero genetically engineers trees to provide housing & food for the globe.