Potential Sequestration Technologies: Chemical and physical absorption; Chemical and physical adsorption; Low-temperature distillation; Gas-Separation Membranes; Mineralization and vegetation. Geological Sequestration: Introduction to geological sequestration, Geologic carbon sequestration - continuum scale, Geologic carbon sequestration – pore-scale phenomena, Biological sequestration. Sequestration in oil and gas formation; Sequestration in Brine formation Sequestration in coal formation. Ocean Sequestration: Direct injection of CO₂, Natural ocean sequestration, Other approaches to ocean sequestration, Ocean sequestration concerns. Terrestrial Sequestration: Terrestrial Ecosystems, Global Estimates of Terrestrial Carbon Stock, The Biomes and Potential Sequestration by Biomes. Geoengineering