sentences:  In 2010, 40 percent of Tetra Pak's carton supply was FSC-certified.Slowly, sectors where glass bottles have been paramount, like the wine and spirits industry, have begun to look at carton containers as a possible packaging product as the carbon footprint of a carton container is said to be about one-tenth of that of an equivalent glass bottle.Tetra Pak's sustainability work has gained recognition from industry and retailers alike.