The GREENGUARD Environmental Institute (GEI) — an industry-independent, third-party, nonprofit organization that aims to improve health through programs that reduce exposure to chemicals and other indoor pollutants — redesigned its Web site (www.greenguard.org) to offer builders and owners a blueprint for structures that minimize moisture and mold growth. The site also offers an enhanced product guide that helps builders find low-emitting building products and materials that can earn them sustainable credits such as LEED.