The critical issues facing the human community population growth, sustained development, threats to the environment, the arms race, the ethical/philosophical challenges in light of advances in science and technology, and our very survival as a species require a multidisciplinary approach grounded in a clear understanding of human behaviour. Fifty-one scholars from 11 countries representing 19 disciplines met at Delphi, Greece, to discuss and debate why we do what we do to ourselves and our world. Out of this vigorous exchange emerged the Delphi Society for long-term study of patterns of human behaviour. The book offers a unique international perspective on global human problems.