10/11/10
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If you forget your reusable bags when visiting a grocery store, believe it or not, the least green choice is to buy a new reusable bag. It takes multiple uses of a reusable bag before you start to "save" in energy and resources by replacing disposable plastic and paper bags; and by not reusing a bag, you actually negate any environmental savings. If you forget your bags, the greenest choice is to choose plastic over paper. Pound for pound, plastic bags use less energy and resources to make than paper ones.