Well I suppose I can see the relevance to vortex-l in the sense that vertical farming to save land is fundamentally an energy trechnology: You presumably have higher photosynthetic efficiency -- otherwise its energetic advantages are proximity of production to consumption.
On Tue, Jan 1, 2013 at 10:39 AM, Jed Rothwell <jedrothw...@gmail.com> wrote: > See: > > > http://money.cnn.com/video/technology/2012/12/28/t-bg-vertical-farms.cnnmoney/index.html >