Jewelry Tips: Recycled metals: According to the environmental nonprofit WorldWatch Institute, 80 percent of destructively mined gold is used for jewelry. Look for recycled gold, silver, titanium and platinum and other recycled materials, like glass and leather, used in more casual pieces.

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Jewelry Tips: Silver-plated indicates a very thin layer of silver over base metal. Like gold-plate, the silver can be just a few microns thick, meaning it can chip and will wear off eventually, but, again, replating is less expensive than buying new jewelry (and, again, if you insist, Overstock.com will sell you some of that instead).

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