WPI contracts with a vendor that spends 27 percent of the food budget on local items, including dairy. Dining services purchases exclusively cage-free eggs and hormone- and antibiotic-free meats. All seafood is chosen in accordance with sustainability guidelines, and all coffee served on campus is fair trade. There are composting programs in some dining locations, and the institute estimates that a trayless initiative has resulted in a savings of 120,000 gallons of water this year. WPI recycles all aluminum, cardboard, paper, glass, plastic, and electronic waste.