About the Author Page: vi Title Page Page: iii Copyright Page Page: iv Contents Page: ix Acknowledgments Page: xiii Chapter 1 Global Perspective—Thinking about the Earth Page: 1 Part One: What We Know and How We Know It Page: 5 Chapter 2 Taking the Earth’s Temperature Page: 7 Global Temperature Measurement—The Basics Page: 8 How Is the Earth’s Temperature Changing? Page: 10 Going Back in Time—The Next Best Thing to Having a Thermometer Page: 15 Different Places, Different Temperature Changes Page: 22 What the Data Are Telling Us Page: 27 Cause and Effect Page: 28 Key Ideas Page: 28 Review Questions Page: 29 Chapter 3 Signs of Global Warming Page: 33 Direct and Indirect Evidence Page: 33 The Oceans Page: 34 Melting Ice and Snow Page: 41 Impact on Wildlife—Some Examples Page: 55 Wacky Weather Page: 57 Key Ideas Page: 63 Review Questions Page: 64 Part Two: Why Climate Changes Page: 67 Chapter 4 The Earth’s Thermostat—Keeping the Earth Warm Page: 69 The Earth’s Orbit Page: 70 How the Sun Warms the Earth Page: 71 Natural Climate Cycles Page: 90 Distribution of Heat around the Earth—Thermohaline Circulation and the Gulf Stream Page: 101 Key Points Page: 103 Review Questions Page: 104 Chapter 5 Greenhouse Chemistry Page: 107 Gases in the Atmosphere Page: 108 Generating Carbon Dioxide Page: 108 Absorption of Light by Gases in the Atmosphere Page: 111 Trace Gases with a Major Potential Impact Page: 114 Carbon Sinks Page: 116 Comparison of Fuels Page: 117 The Effect of Increasing Concentration Page: 120 Isotopes—Determining How Old Something Is Page: 121 Key Ideas Page: 123 Review Questions Page: 124 Chapter 6 Origin and Impact of Greenhouse Gases Page: 127 What People Add to Nature’s Greenhouse Page: 128 How Do We Know Where the Greenhouse Gases Come From? Human Fingerprints versus Nature’s Pawprints Page: 135 How the Greenhouse Gases Affect the Atmosphere Page: 137 Where the Human-Added Greenhouse Gases Come From Page: 141 World Energy Use Page: 144 Defining the Problem—Key Ideas Page: 146 Review Questions Page: 147 Part Three: What We Can Expect and What We Can Do Page: 149 Chapter 7 Consequences of Global Warming Page: 151 Climate Models Page: 151 How Much and How Soon Will Climate Change? Page: 157 Impacts of Climate Change Page: 165 Regional Climate Changes Page: 167 Back to the Future—Will the Past Repeat Itself? Page: 170 Results of Climate Models—Levels of Certainty Page: 173 Key Ideas Page: 180 Review Questions Page: 181 Chapter 8 Resetting the Earth’s Thermostat—Solutions Page: 185 Electrical Power: The Problem with Coal Page: 186 Transportation—The Problem with Oil Page: 203 Steps Toward a Solution Page: 210 Stepping Up to the Plate—Taking Action Page: 212 Emissions Trading—Cap and Trade Page: 218 Turning Your Money “Green” Page: 219 Adaptation—Global Band-Aids Page: 219 So Crazy It Just Might Work Page: 220 What You Can Do—Individual Actions Page: 223 Final Thoughts Page: 225 Key Ideas Page: 226 Review Questions Page: 227 Final Exam Page: 231 Appendix A: Glossary Page: 247 A Page: 247 C Page: 247 E Page: 248 G Page: 248 H Page: 249 I Page: 249 M Page: 250 N Page: 250 P Page: 250 R Page: 250 S Page: 250 T Page: 250 Appendix B: Milestones in the History of Climate Change Page: 251 Appendix C: Satellites That Monitor Weather and Climate Page: 255 Appendix D: Units of Measurement Applied to Climate Change Page: 259 Temperature Units Page: 260 Measurement of Wavelength Page: 260 Energy and Power Page: 260 Examples of the Use of Prefixes Page: 261 Appendix E: Selected Resources Page: 263 Publications Page: 263 Web Sites Page: 263 Appendix F: Summary of Key Climate Variables Page: 265 Appendix G: Lingering Doubts and Concerns Page: 269 Appendix H: Answers to Chapter Review Questions Page: 273 Appendix I: Answers to Final Exam Page: 275 Index Page: 277 A Page: 277 B Page: 278 C Page: 278 D Page: 280 E Page: 280 F Page: 281 G Page: 281 H Page: 282 I Page: 283 J Page: 283 K Page: 284 L Page: 284 M Page: 284 N Page: 284 O Page: 285 P Page: 286 R Page: 286 S Page: 286 T Page: 288 U Page: 288 V Page: 288 W Page: 289 Y Page: 289
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