According to the Carpet and Rug Institute, more than two-thirds of American floors have wall-to-wall carpeting, and we can understand why. It's a nice alternative to your chilly floors in the morning, it adds color and texture to your home and plus, there's a wide variety of styles and designs that fit into any budget. But next time you go shopping for a soft-floor solution, keep in mind that there are a few facts about carpeting that aren't so warm and fuzzy. First, almost all carpet is made from petroleum byproducts and synthetics such as polypropylene, nylon and acrylic. In addition, it's usually treated with stain or soil repellents. And don't even get us started on the backing (ugh!), which could be made from vinyl or synthetic latex. Padding can also contain PVC, urethane, and other suspect materials. Add to that the antistatic sprays, artificial dyes, antimicrobial treatments, and finishes and it's enough to leave you shivering. But before you bag the idea, try checking out your options…