People often confuse money cost with environmental cost (at least it makes it easy to know who published the study ahem). Here in NL the monetary cost for melt

People often confuse money cost with environmental cost (at least it makes it easy to know who published the study ahem). Here in NL the monetary cost for melting glass is about 85% of sourcing new glass. So it's a small win. The envirnmental cost reduction is the raw materials saved. Beer bottles are almost all reused for a number of times though, greatly improving their environmental impact. Wish they would do the same for wine bottles.