“…This protects the environment by decreasing the amount of waste directed toward overflowing landfills, and reducing the amount of energy required to produce new products. Twenty of the 32 studies published since 1990 targeted recycling in a variety of settings, including research centers (Needleman & Geller, 1992), universities (Austin, Hatfield, Grindle, & Bailey, 1993;Ludwig, Gray, & Rowell, 1998), and neighborhoods (DeLeon & Fuqua, 1995;De Young et al, 1995;Werner et al, 1995).…”