here are my notes from yesterday's beer column on cbc radio one's on the coast  talking about gmos in beer with mathew lazin-ryder:      Let's begin this post-St. Patrick’s Day column with a mention of green beer.     I am a fan of beer; good beer, quality beer.   If you could make your beer green in colour without taking away from the quality of the beer, then I would be all for it.   To the best of my knowledge though, the green beer on offer around Vancouver  is courtesy of green food colouring.   As a card carrying beer geek I'm not down with that!   Which leads me to what else shouldn’t be in beer - such as genetically modified organisms.  Beer has four ingredients, water, yeast, hops and barley.   Of those four, water is not a substance that can be genetically altered, so it’s fine.   Hops and barley are currently not on a risk list, so they are not likely to contain GMOs.   Yeast, however, is on the high risk list.   Adjuncts like co...