Table of Contents
Prologue ix
Silence 1
Movement I Earth: Carbon, the Element of Crystals 3
Prelude-Before Earth 5
Exposition-Earth Emerges and Evolves 21
Development-Deep Earth Carbon 53
Recapitulation-Carbon Worlds 75
Coda-Unanswered Questions 80
Movement II Air: Carbon, the Element of Cycles 81
Introduction-Before Air 83
Arioso-The Origin of Earth's Atmosphere 86
Intermezzo-The Deep Carbon Cycle 95
Arioso, Da Capo-Atmospheric Change 119
Coda-The Known, the Unknown, and the Unknowable 127
Movement III Fire: Carbon, the Element of Stuff 133
Introduction-Material World 135
Scherzo-Useful Stuff 142
Trio-Nano Stuff 148
Scherzo, Da Capo-Stories 153
Coda-Music 163
Movement IV Water: Carbon, the Element of Life 165
Introduction-The Primeval Earth 167
Exposition -Origins of Life 169
Development-Life Evolving (Theme and Variations) 201
Recapitulation-The Human Carbon Cycle 238
Finale-Earth, Air, Fire, and Water 244
Acknowledgments 247
Notes 251
Index 269