The word may not conjure beds of roses, but this easy, natural form of recycling is a gardener's dream. It's the transformation of organic waste-yard trimmings, kitchen scraps, and the like-into a nutrient-rich, soil-like material. This type of "garbage" makes up approximately 23 percent of the waste generated in the U.S.; composting keeps it out of landfills and creates an excellent planting medium, mulch, and amendment for soil lacking in nutrients or adequate drainage.

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