With Avatar breaking box-office records, USA Today's Elizabeth Weise wondered what's happening to all the 3-D glasses worn by moviegoers. According to her calculations, about 75 percent of people who've seen Avatar saw the 3-D version, which works out to 42.1 million pairs of glasses worn so far -- and another 935,834 every day. But there's no sustainability problem here. All four of the companies providing glasses have recycling programs in place. Actually, in this case, reuse is a more precise term than recycle. The glasses suppliers say their products can be collected, washed and reused hundreds of times. One supplier said they have glasses "that have been used and washed thousands of times without degradation ... There's no need to throw them away. They're very environmentally friendly."
What happens to those 3-D movie glasses?
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