A symposium titled "Serving Science and Society into the New Millennium: The Legacy and the Promise" was held at the National Academy of Sciences on May 21-22, 1997. Speakers and panelists discussed the accomplishments and future of DOE's Biological and Environmental Research (BER) program. They also discussed a variety of multidisciplinary research activities, such as developing advanced medical diagnostic tools and treatments for human disease; assessing the health effects of radiation; tracking the regional and global movement of energy-related pollutants, and establishing the first human genome program. At the end of the symposium, 13 scientists who have been associated with the BER program and who have made significant contributions to its advancements and progress were honored. The proceedings volume includes the presentations made at the symposium.