"soap bubble" greenhouse....?.....have some links ?
"Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same." - President Ronald Reagan
interesting concept the bubble house. one thing that was omitted from their calcualtions which is what makes it viable is the income from additional crops grown in that extended period of grow time. that is what really makes it attractive to them.
the return on investment could come in a couple of years instead of 10