Growing fresh produce is not only good for your health and budget, it's also great for Mother Earth. But, what if you live in the land of 10,000 lakes with short growing seasons. Fear not, Deep Winter Greenhouses may be here to help. Utilizing stored radiant heat from the sun and built to site specific specs, a deep winter greenhouse extends the growing season, while minimizing external energy inputs. Here to tell us more is Greg Schweser,Associate Director of Local Foods and Sustainable Agriculture of the University of Minnesota Regional Sustainable Development Partnerships.