Chair, International Environmental Programs Committee, National
Research Council, 1972-1976
Chair, Environmental Studies Board, National Research Council, 1975-
1977
Member, Joint Consultative Committee, Egyptian Academy of Scientific
Research and Technology-U.S. National Academy of Sciences, 1978-
Chair, Commission on Natural Resources, National Research Council,
1977-1980
Member, Technology Assessment Advisory Council, U.S. Congress,
1973-1975
Member, Earthquake Studies Advisory Panel, U.S. Department of the
Interior, 1973-1976
Trustee, Resources for the Future, 1967-1979 (Chair, 1974-1979)
Consultant, Water Quality Studies on NileLake Nasser, 1975-1979
Executive Editor, Environment, 1983-
Honors
Distinguished Service Award, Association of American Geographers,
1955-1974
Quantrell Award for Excellence in Undergraduate Teaching, 1967
Daly Medal, American Geographical Society, 1971
Eben Award, American Water Resources Association, 1972
Thomas Jefferson Award, University of Colorado, 1973
Royal Geographical Society of London, Honorary Corresponding Member
Soviet Geographical Society, Honorary Member
National Academy of Sciences
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