1. Food Security and the Global Food System. Chapter, Lesson, Part 2. From Local to Global: Shifts in World Food Systems. Chapter, Lesson, Part 3. Global Trends Impacting Food Security. Chapter, Lesson, Part 4. Ensuring Proper Nutrition: The Challenge of Malnutrition in an Era of Global Change. Chapter, Lesson, Part 5. Managing Global Environmental Change: The Environmental Impacts of Agriculture and Food Production. Chapter, Lesson, Part 6. Optimizing Food Safety: Threats to Health and Food Security from Disease, Contamination, and Biological Weapons. Chapter, Lesson, Part Cover, Title,Food security--Preface, Introduction, TOC,Contents--Preface, Introduction, TOC,Acknowledgments--Preface, Introduction, TOC,Abbreviations--Preface, Introduction, TOC,Introduction: Twenty-first Century Challenges to Food Security--References, Appendix, Index,Conclusion: Sustainable Food Security--References, Appendix, Index,References--References, Appendix, Index,Index.