Introduction -- References -- The Great Cooling -- The Founding Fathers -- Charles Lyell, Tamer of Palaeoclimatology' -- Agassiz Discovers the Ice Age -- Lyell Defends Icebergs -- References -- Ice Age Cycles -- The Astronomical Theory of Climate Change -- James Croll Develops the Theory -- Lyell Responds -- Croll Defends his Position -- Even More Ancient Ice Ages -- Not Everyone Agrees -- References -- Trace Gases Warm the Planet -- De Saussure's Hot Box -- William Herschel's Accidental Discovery -- Discovering Carbon Dioxide -- Fourier, the 'Newton of Heat', Discovers the 'Greenhouse Effect' -- Tyndall Shows How the 'Greenhouse Effect' Works -- Arrhenius Calculates How C02 Affects Air Temperature -- Chamberlin's Theory of Gases and Ice Ages -- References -- Moving Continents and Dating Rocks -- The Continents Drift -- The Seafloor Spreads -- The Dating Game -- Base Maps for Palaeoclimatology -- The Evolution of the Modern World -- References -- Mapping Past Climates -- Climate Indicators -- Palaeoclimatologists Get to Work -- Palaeomagneticians Enter the Field -- Oxygen Isotopes to the Rescue -- Cycles and Astronomy -- Pangaean Palaeoclimates (Carboniferous, Permian, Triassic) -- Post-Break-Up Palaeoclimates (Jurassic, Cretaceous) -- Numerical Models Make their Appearance -- From Wegener to Barron -- References -- Into the Icehouse -- Climate Clues from the Deep Ocean -- Palaeoceanography -- The World's Freezer -- The Drill Bit Turns -- Global Cooling -- Arctic Glaciation -- References -- The Greenhouse Gas Theory Matures -- CO₂ in the Atmosphere and Ocean (1930-1955) -- CO₂ in the Atmosphere and Ocean (1955-1979) -- CO₂ in the Atmosphere and Ocean (1979-1983) -- Biogeochemistry: The Merging of Physics and Biology -- The Carbon Cycle -- Oceanic Carbon -- Measuring CO₂ in the Oceans -- A Growing International Emphasis -- Reflection on Developments -- References -- Measuring and Modelling CO₂ Back through Time -- CO₂ The Palaeoclimate Perspective -- Fossil CO₂ -- Measuring CO₂ Back through Time -- Modelling CO₂ and Climate -- The Critics Gather -- References -- The Pulse of the Earth -- Climate Cycles and Tectonic Forces -- Ocean Chemistry -- Black Shales -- Sea Level -- Biogeochemical Cycles, Gaia and Cybertectonic Earth -- Meteorite Impacts -- Massive Volcanic Eruptions -- References -- Numerical Climate Models and Case Histories -- CO₂ and General Circulation Models -- CO₂ and Climate in the Early Cenozoic -- The First Great Ice Sheet -- Hyperthermal Events -- Case History: The Palaeocene-Eocene Boundary -- CO₂ and Climate in the Late Cenozoic -- Case History: The Pliocene -- References -- Solving the Ice Age Mystery: The Deep-Ocean Solution -- Astronomical Drivers -- An Ice Age Climate Signal Emerges from the Deep Ocean -- The Ice Age CO₂ Signal Hidden on the Deep-Sea Floor -- Flip-Flops in the Conveyor -- A Surprise Millennial Signal Emerges -- Ice Age Productivity -- Observations on Deglaciation and Past Interglacials -- Sea Level -- References -- Solving the Ice Age Mystery: The Ice Core Tale -- The Great Ice Sheets -- The Greenland Story -- Antarctic Ice -- Seesaws -- CO₂ in the Ice Age Atmosphere -- The Ultimate Climate Flicker: The Younger Dryas Event -- Problems in the Milankovitch Garden -- The Mechanics of Change -- References -- The Holocene Interglacial -- Holocene Climate Change -- The Role of Greenhouse Gases: Carbon Dioxide and Methane -- Climate Variability -- References -- Medieval Warming, the Little Ice Age and the Sun -- Solar Activity and Cosmic Rays -- Solar Cycles in the Geological Record -- The Medieval Warm Period and the Little Ice Age -- The End of the Little Ice Age -- The Hockey Stick Controversy -- Sea Level -- References -- Putting It All Together -- A Fast-Evolving Subject -- Natural Envelopes of Climate Change -- Evolving Knowledge -- Where is Climate Headed? -- Some Final Remarks -- What Can Be Done? -- References