2. Origins. Building a planet, shaping the oceans ; Water, salt, and circulation ; Life, oxygen, and carbon
3. Controls on change. Orbital and solar changes ; Greenhouse gases ; Plate tectonics ; Impacts
4. Snowball Earth and the explosions of life. Into the freezer ; Out of the freezer, into a greenhouse ; A tale of two explosions ; Reverberations
5. Oceans on acid. About acidification ; Acidification in action
6. The age of reptiles. Choking oceans ; Salty giants
7. Winter is coming. Reconstructing sea-level change ; The great northern ice ages ; Ocean controls on CO₂ ; A seesaw in the ocean
8. Future oceans and climate. Our carbon emissions ; Consequences
