The National Student Exchange provides students an exciting and challenging opportunity to study for an academic year, one semester, or a summer at one or more of nearly 200 institutions. Students can study within the United States, U.S. territories (Guam, the Virgin Islands, and Puerto Rico), and Canada. The program allows students to study for a designated period of time at an institution with a novel or specialized focused on sustainability or environmental research.
http://www.housing.sc.edu/nse/