Part A. Present Terrestrial Environments. 1. Geologial and morphologial setting. 2. Climatic mechanisms and climates. 3. Present vegetation of tropical West Africa. 4. Present fluxes of suspended and dissolved matter in rivers. Part B. Present Oceanic environment. 1. Atlantic ocean circulation - Leakage with climate fluctuations. 2. Suspended matter and particle fluxes in the Eastern Gulf of Guinea. 3. Present oceanic deposition. Part C. 1. Changes deduced from stable oxygen and carbon isotopes and from alkenones in deep sea sediments. 2. Changed deduced from markers of surface ocean productivity. 3. Changes deduced from pollen. 4. Changed deduced from atmospheric dust transport. 5. Changed deduced from deposition processes. Part D. 1. Sea level fluctuation on the Atlantic coast of Africa during the past 125,000. 2. Successive continental shelf sedimentation related to climatic and sea level changes. Part E. Terrestrial evidence of late quaternay changes. 1. Records in lake deposits. 2. Pedological and geomorphological processes and their palaeoenvironmental significance. Part F. Climatic evolution and human presence. 1. Lithic artifact dating and environmental context. 2. Landscape and human development implication. 3. Anthropic action and global change.