Fermentation is the process of introducing hungry yeast to carbohydrates to produce alcohol and carbon dioxide. The process produces so much CO2 that breweries traditionally vent the stuff to the atmosphere just to get rid of it. As strange as it may seem, breweries also buy tanks of CO2 on the commercial market. Despite way too much of the notorious greenhouse gas wandering around in the atmosphere, a global shortage of commercial bottled carbon dioxide is creating big problems for the brewing industry. Sound crazy? Well, the folks at Wisconsin’s New Glarus Brewery think they’ve found a better way. Dan Carey is a co-founder and master brewer at New Glarus Brewery, and he joined Monday Buzz host Brian Standing on November 21, 2022.
Photo of beer carbonation by cyclonebill, CC BY-SA 2.0, via Wikimedia Commons.