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Front Cover -- International Futures: Building and Using Global Models -- Copyright -- Contents -- Prologue -- Glossary I: Model Acronyms and Abbreviations -- Glossary II: Modeling-Related Concepts, Tools, and Databases -- Glossary III: Organizations, Projects, and Teams -- Chapter 1: Introduction -- 1.1. What Path Are We On? -- 1.2. What Leverage Do We Have? -- 1.3. How Do We Address Uncertainty? -- 1.4. The Plan of the Volume -- References -- Chapter 2: Building a Global Model: The Toolkit -- 2.1. Identifying Concepts Individually and in Systems -- 2.1.1. Identifying Concepts -- 2.1.2. Recognizing Systems -- 2.2. Assembling Data -- 2.3. Understanding Past and Ongoing Global Transitions -- 2.4. Building Dynamic Formulations: Equations and Much More -- 2.4.1. Making Fundamental Choices Concerning Model Type -- 2.4.2. Making Choices at the Systems Level -- 2.4.2.1. Identifying Important Feedback Loops -- 2.4.2.2. Building Algorithms -- 2.4.3. Making Choices at the Equation Level -- 2.4.3.1. Seeing That Formulations Do Not All Merit the Same Attention -- 2.4.3.2. Using Statistical Fit as a Guide, Not a Straitjacket -- 2.4.3.3. Considering Both Distal and Proximate Drivers -- 2.4.3.4. Looking for and Understanding Leverage Points -- 2.5. Using the Model and Exploring Uncertainty -- 2.5.1. Building Alternative Scenarios -- 2.5.2. Exploring Transformative Uncertainty -- 2.6. Assessing and Addressing Model Strengths and Weaknesses -- 2.6.1. Verification, Validation, and Accreditation -- 2.6.2. Addressing Errors of Omission and Commission -- References -- Chapter 3: The Evolution of Global Modeling -- 3.1. Early Global Modeling With Multiple-Issue, Long-Term Systems -- 3.1.1. Foundational Work -- 3.1.2. The First Wave -- 3.1.3. New Capabilities -- 3.2. Integrated Assessment Models -- 3.2.1. Comparative Use of IAMs.