FRANCES E. SHARPLES, Director

ROBIN A. SCHOEN, Senior Staff Officer

ROBERT T. YUAN, Senior Staff Officer

KERRY A. BRENNER, Staff Officer

MARILEE K. SHELTON, Staff Officer

EVONNE P.Y. TANG, Staff Officer

ADAM P. FAGEN, Postdoctoral Research Assistant

DENISE GROSSHANS, Financial Associate

SETH H. STRONGIN, Project Assistant

BRENDAN BRADLEY, Intern

R. RHODES TRUSSELL, Chair, Trussell Technologies, Inc., Pasadena, California

GREGORY B. BAECHER, University of Maryland, College Park

MARY JO BAEDECKER, U.S. Geological Survey (retired), Reston, Virginia

JOAN G. EHRENFELD, Rutgers University, New Brunswick, New Jersey

DARA ENTEKHABI, Massachusetts Institute of Technology, Cambridge

GERALD GALLOWAY, Titan Corporation, Reston, Virginia

PETER GLEICK, Pacific Institute for Studies in Development, Environment, and Security, Oakland, California

CHARLES N. HAAS, Drexel University, Philadelphia, Pennsylvania

KAI N. LEE, Williams College, Williamstown, Massachusetts

CHRISTINE L. MOE, Emory University, Atlanta, Georgia

ROBERT PERCIASEPE, National Audubon Society, Washington, D.C.

JERALD L. SCHNOOR, University of Iowa, Iowa City

LEONARD SHABMAN, Resources for the Future, Washington, D.C.

KARL K. TUREKIAN, Yale University, New Haven, Connecticut

HAME M. WATT, Independent Consultant, Washington, D.C.

CLAIRE WELTY, University of Maryland, Baltimore County, Baltimore

JAMES L. WESCOAT, JR., University of Illinois at Urbana-Champaign

STEPHEN D. PARKER, Director

LAURA J. EHLERS, Senior Staff Officer

JEFFREY W. JACOBS, Senior Staff Officer

WILLIAM S. LOGAN, Senior Staff Officer

LAUREN E. ALEXANDER, Staff Officer

MARK C. GIBSON, Staff Officer