U.S. GLOBAL CHANGE RESEARCH PROGRAMS: HEARING BEFORE THE COMMITTEE ON SCIENCE U.S. HOUSE OF REPRESENTATIVES ONE HUNDRED FOURTH CONGRESS For sale by the U.S. Government Printing Office Superintendent of Documents, Congressional Sales Office, Washington, DC 20402 COMMITTEE ON SCIENCE ROBERT S. WALKER, Pennsylvania, Chairman F. JAMES SENSENBRENNER, JR., SHERWOOD L. BOEHLERT, New York KEN CALVERT, California ROSCOE G. BARTLETT, Maryland LINDSEY O. GRAHAM, South Carolina MATT SALMON, Arizona GEORGE E. BROWN, JR., California RMM* BART GORDON, Tennessee JAMES A. TRAFICANT, JR., Ohio JOHN S. TANNER, Tennessee TIM ROEMER, Indiana ROBERT E. (Bud) CRAMER, JR., Alabama JAMES A. BARCIA, Michigan JANE HARMAN, California EDDIE BERNICE JOHNSON, Texas JOHN W. OLVER, Massachusetts MICHAEL F. DOYLE, Pennsylvania DAVID D. CLEMENT, Chief of Staff and Chief Counsel BARRY BERINGER, General Counsel TISH SCHWARTZ, Chief Clerk and Administrator ROBERT E. PALMER, Democratic Staff Director *Ranking Minority Member **Vice Chairman CONTENTS Page Brad Hathaway, U.S. General Accounting Office, Washington, DC. Dr. Charles Kennel, Associate Administrator, Office of Mission to Planet Aram M. Mika, Hughes Aircraft Corporation, El Segundo, California Dr. Peter A. Castruccio, Ecosystems International, Inc., Gambrills, Mary- Dr. Eric Christensen, EarthWatch, Inc., Longmont, Colorado Dr. Robert T. Watson, Associate Director, Environment, Office of Science Dr. Richard Lindzen, Sloan Professor of Meteorology, Center for Meteor- ology and Physical Oceanography, Massachusetts Institute of Tech- |