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The Tragedy of the Commons Author(s): Garrett Hardin Source: Science, New Series, Vol. 162, No. 3859 (Dec. 13, 1968), pp. 1243-1248 Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/1724745 Accessed: 12/09/2010 14:53 Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained at http://www.jstor.org/action/showPublisher?publisherCode=aaas. 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American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve and extend access to Science. http://www.jstor.org Article Contents p. 1243 p. 1244 p. 1245 p. 1246 p. 1247 p. 1248 Issue Table of Contents Science, New Series, Vol. 162, No. 3859 (Dec. 13, 1968), pp. 1211-1316 Front Matter [pp. 1211-1311] Letters Blend of Teaching and Research [p. 1221] Automobile Engines: Pollution and Power [pp. 1221-1222] Cultura Italiana [pp. 1222-1223] Zond 5: Sketches and Guesses [p. 1223] Can Success Be the Cause of Failure? [p. 1225] Pleistocene Climates and Chronology in Deep-Sea Sediments [pp. 1227-1234] Current Problems in Research Clinical and Psychological Effects of Marihuana in Man [pp. 1234-1242] The Tragedy of the Commons [pp. 1243-1248] Academic Science and the Federal Government [pp. 1249-1251] News and Comment Dallas: Larger Education Role Proposed for Research Center [pp. 1251-1254] Nixon Speaks about Scientists [p. 1253] Narcotics and Drug Abuse: The Federal Response [pp. 1254+1256-1258] Nixon Forms Advisory Panels on Science, Space, Health [p. 1255] Laird Choice Indicated [p. 1255] Science Policy Study Group Formed [p. 1256] News in Brief [p. 1257] Ground Broken at Batavia (Weston) [p. 1258] Recent Deaths [p. 1258] Book Reviews Review: Developmental Abnormalities [p. 1259] Review: Space Facts and Figures [pp. 1259-1260] Review: Democratizing and Producing [pp. 1260-1261] Review: Radiobiology [p. 1261] Review: The Uses of Insects [pp. 1261-1262] Review: Antiviral Substances [p. 1262] Review: The State University [pp. 1262-1263] Review: Vertebrate Biology [pp. 1263-1264] Review: Planck's Thought [p. 1264] Review: Oxford Doctor [p. 1264] Reports First Fossil Lamprey: A Record from the Pennsylvanian of Illinois [pp. 1265-1267] Light Scattering in Central Arctic Ocean: Some Winter Profiles [pp. 1267-1268] Mössbauer Investigation of Shocked and Unshocked Iron Meteorites and Fayalite [pp. 1268-1270] Milankovitch Radiation Variations: A Quantitative Evaluation [pp. 1270-1272] Hydrofoils: Optimum Lift-Off Speed for Sailboats [pp. 1273-1275] Mercury's Rotation Period: Photographic Confirmation [pp. 1275-1277] Deficiency of Reduced Nicotinamide-Adenine Dinucleotide Oxidase in Chronic Granulomatous Disease [pp. 1277-1279] Human Osteosarcomas: Immunologic Evidence Suggesting an Associated Infectious Agent [pp. 1279-1281] Human Monocytes: Distinct Receptor Sites for the Third Component of Complement and for Immunoglobulin G [pp. 1281-1283] Zymogen Granules in Enzyme Liberation and Activation in Pea Seeds [pp. 1283-1284] Very-Low-Density Lipoprotein in Intestinal Lymph: Evidence for Presence of the A Protein [pp. 1285-1286] Hemin: An Inhibitor of Erythroid Cell Ribonuclease [p. 1287] Conversion of Mesophilic to Psychrophilic Bacteria [pp. 1288-1289] Dictyostelium discoideum: A Gamma-Ray Resistant Organism [pp. 1289-1290] Morphine Tolerance, Physical Dependence, and Synthesis of Brain 5-Hydroxytryptamine [pp. 1290-1292] Allografts in Genetically Defined Rats: Difference in Survival between Kidney and Skin [pp. 1293-1295] Mice Unilaterally Sensitized for Audiogenic Seizures [p. 1295] Neurons: Secretory Activity during Limb Regeneration and Induction in the Newt [pp. 1296-1297] Alveolar Macrophages: Reduced Number in Rats after Prolonged Inhalation of Lead Sesquioxide [pp. 1297-1299] Operant Controlled Neural Event: Formal and Systematic Approach to Electrical Coding of Behavior in Brain [pp. 1299-1302] Midbrain Single Units Correlating with Pupil Response to Light [pp. 1302-1303] Discrimination Learning as the Summation of Excitation and Inhibition [pp. 1303-1306] Mosaic Unit Ruler [p. 1306] Holoclemensia Instead of Clemensia [p. 1306] Association Affairs Art and Science: The Analysis and Communication of Biological Form: AAAS Symposium, 30 December 1968, Dallas, Texas [p. 1307] Global Effects of Environmental Pollution: 26-27 December 1968, Dallas, Texas [p. 1308] World Food and Population Crisis: AAAS Symposium, 26-27 December 1968 [pp. 1309-1310] Meetings Prairie Rebirth [p. 1312] Back Matter [pp. 1313-1316]
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