Proof positive that a green roof can yield energy savings are in these thermograph readings recorded atop the new Butler College, which was dedicated September 24. In June, readings for the conventional roof, left, hit 107 degrees Fahrenheit while those for the green roof, right, topped out at 88 degrees.
Photo courtesy of Princeton University Office of Communications and Jessica Hsu ’09

Almost 800 members of the Class of 2013 are backpacking, canoeing, biking or digging into the rigors of sustainable farming on an Outdoor Action Frosh Trip before trading the wide-open spaces for a dorm room, participation in Opening Exercises on September 13, and the adventure of campus life.