1. Assistant Professor, Dept. of Civil Engineering and Faculty Fellow Global Institute for Energy and Environmental Systems, Univ. of North Carolina, 9201 University City Blvd., Charlotte, NC 28223.
2. Duke Energy Distinguished Professor, and Director, Global Institute for Energy and Environmental Systems, Univ. of North Carolina, 9201 University City Blvd., Charlotte, NC 28223.
3. Senior Environmental Fellow, DuPont Engineering, Barley Mill Plaza, 27/2276, P.O. Box 80027, Wilmington, DE 19880.