@techreport{HartzellLiguoriO'BrienJohansen2011, author = "Hartzell, Emily Jane and Liguori, Thomas Joseph and O'Brien, Jennifer Marie and Johansen, Aren A." title = "STATE OF THE - ENVIRONMENT - REPORT 2011" school = "Worcester Polytechnic Institute" %address = "100 Institute Road, Worcester MA 01609-2280 USA" year = "2011" %month = "June" }