He doesn't call it a "greenhouse", because it's more. He calls it a bioshelter and in this structure, he and his partner are growing food - year round - in Holyoke, Massachusetts ... which probably has a climate very similar to mine, here in Maine.
It's the possibilities that matter to me. Clearly, he doesn't plan to just survive ... Jonathan Bates is thriving.
Watch the video. It's very, very cool!