Ian Jacobs Pictures

Students of The Cooper Union for the Advancement of Science and Art, (L-R) Ian Jacobs, Nicholas Wong, Anurag Panda, and David Berger demonstrate solar powered lanterns that can be used in remote communities around the world during the 2008 National Sustainable Design Expo at the National Mall April 21, 2008 In Washington, DC. Students who participated in the expo were also competing in the Environmental Protection Agency’s P3 Award competition which enables college students to research, develop, and design scientific and technical solutions to sustainability challenges. (Photo by Alex Wong/Getty Images North America)