FrontMatter -- Preface -- Acknowledgments -- Contents -- Summary -- Part I: Introduction -- Introduction -- Part II: Strategic Research Questions -- 1 How Are We Changing the Physical Environment of Earth's Surface? -- 2 How Can We Best Preserve Biological Diversity and Protect Endangered Ecosystems? -- 3 How Are Climate and Other Environmental Changes Affecting the Vulnerabilities of Coupled Human-Environment Systems? -- 4 How and Where Will 10 Billion People Live on Earth? -- 5 How Will We Sustainably Feed Everyone in the Coming Decade and Beyond? -- 6 How Does Where People Live Affect Their Health? -- 7 How Is the Movement of People, Goods, and Ideas Transforming the World? -- 8 How Is Economic Globalization Affecting Inequality? -- 9 How Are Geopolitical Shifts Influencing Peace and Stability? -- 10 How Might We Better Observe, Analyze, and Visualize a Changing World? -- 11 What Are the Societal Implications of Citizen Mapping and Mapping Citizens? -- Part III: Moving Forward -- Moving Forward -- References -- Appendixes -- Appendix A: Committee and Staff Biographies -- Appendix B: Acronyms and Abbreviations -- Appendix C: AAG Open Session Agenda and Speakers.