(from his blog:) "Dare I remind us all that climate change issues will continue confound and disrupt this already seriously flawed system of outdoor food production. What a different world this would be if we could produce most of what we needed year round in vertical farms located inside cities. I know this sounds a bit preachy, but I think the concept of the vertical farm is the only viable option we have to a long-term solution to the world food crisis. Why, I'll bet we could even work out a way to produce animal feed this way, too."
His blog is already packed with loads of valuable info, but for a short overview of his main thoughts see the two video's below: