The Sierra Club’s 2012 Cool Schools report rated the University of California – Davis, with its zero-net-energy residence halls and 20,000 bikes, the Number 1 coolest school in the country. Two North Carolina schools made the top ten – Duke University ranked #7 and Appalachian State University #10. Other large research schools on the list include Georgia Tech #2, the University of Washington #4, the University of Connecticut #5, the University of California – Irvine #9, the University of California – Berkeley #20, the University of Virginia #21, the University of Arizona #24, and Penn State #25. In North Carolina, Warren Wilson ranked #19, Elon #29, UNC – Chapel Hill #33, and UNC – Greensboro #39. To see complete rankings and a slide show on the top ten schools, read more »