TABLE OF CONTENTS: Ch. 1: HISTORICAL VARIATIONS IN THE EARTH'S CLIMATE Ch. 2: EARTH SURFACE TEMPERATURES Ch. 3: TOTAL SOLAR IRRADIANCE Ch. 4: TEMPERATURE CHANGES DRIVEN BY CHANGES IN THE SUN Ch. 5: VOLCANIC ERUPTIONS Ch. 6: THE EARTH'S HEAT BALANCE AND THE GREENHOUSE EFFECT Ch. 7: FUTURE FOSSIL FUEL USAGE AND CO2 PRODUCTION Ch. 8: IMPACTS OF GLOBAL WARMING Ch. 9: GLOBAL CLIMATE CHANGE AND PUBLIC POLICY