The Renewable Energy Initiative (REI) is a student-led, student-funded organization that seeks to install renewable energy and energy efficiency projects on campus. The Appalachian State University Renewable Energy Initiative (REI) is a student-led, student-funded organization that seeks to install renewable energy and energy efficiency projects on campus. In addition, 100 percent of Appalachian’s academic departments offer at least one sustainability course or course that includes sustainability, and all students graduate from programs that have adopted at least one sustainability learning outcome.