The Ellen MacArthur Foundation has published a study titled "The Circular Economy and the Promise of Glass in Concrete."
“Cement, concrete’s primary binding element, generates large amounts of CO2 during its production. And the primary substitute for a portion of cement in concrete – fly ash – typically contains varying levels of arsenic, cadmium, chromium, mercury, lead and other contaminants considered potentially toxic.
At the same time, post-consumer glass is a growing problem in many regions of the United States. Despite glass being 100% recyclable, cities across the country are abandoning their glass recycling programs over profitability concerns and challenges finding effective end markets for the material. ”
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