Prologue. Global warming in geologic time
section 1. The present. The greenhouse effect ; We've seen it with our own eyes ; Forecast of the century
section 2. The past. Millennial climate cycles ; Glacial climate cycles ; Geologic climate cycles ; The present in the bosom of the past
section 3. The future. The fate of fossil fuel CO₂ ; Acidifying the ocean ; Carbon cycle feedbacks ; Sea level in the deep future ; Orbits, CO₂, and the next Ice Age
Epilogue. Carbon economics and ethics.