FrontMatter -- Preface -- Acknowledgments -- Contents -- Summary -- Section I Introduction -- 1 Introduction -- 2 Earth Processes and Human Physiology -- Section II Exposure Pathways -- 3 What We Breathe -- 4 What We Drink -- 5 What We Eat -- 6 Earth Perturbations and Public Health Impacts -- Section III Facilitating Collaborative Research: Mechanisms and Priorities -- 7 GIScience, Remote Sensing, and Epidemiology: Essential Tools for Collaboration -- 8 Encouraging Communication and Collaboration -- 9 Collaborative Research Priorities -- References -- Appendixes -- Appendix A Committee and Staff Biographies -- Appendix B Acronyms and Abbreviations.