This report presents the collective recommendations of more than 5000 scientists, engineers, students, and decisionmakers who have participated from 2000-2008 in the annual National Conference on Science, Policy and the Environment convened by the National Council for Science and the Environment (NCSE).

This volume is the seventh in a series of books documenting the annual John H. Chafee Memorial Lecture on Science and the Environment.The lecture was delivered at the 7th National Conference on Science, Policy and the Environment: Integrating Environment and Human Health on February 1, 2007, in Washington, DC.