Beer is good for Industrial Symbiosis

ISIE members all have first hand knowledge of the importance of beer in decision-making; now we have evidence from the Industrial Symbiosis world that the by-products of brewing can produce useful synergies.  ReGrained takes "spent" grain from 6 breweries int he San Fransico area and mills it into flour to create snack food bars sold throughout northern California.  https://mic.com/articles/186472/beer-byproduct-this-unlikely-supergrain-comes-from-beer-brewing-and-is-often-thrown-away#.UHysfbCjv