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The Litter Layer

I walk my dog twice a day. One of the things I note on our walks is how much litter there is. Aside from food wrappers and plastic bottles, the detritus has included a lens from sunglasses, a knife, random clothing, pens, plastic bags, receipts, and the odd coin. Pretty much anything that can be dropped or discarded eventually becomes litter. When I was a kid, there was not nearly as much litter as there…

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