Chapter 1. An Introduction to the Tropical Marine Environments of Brazil and their Responses to Climate Change(JML Dominguez) -- Chapter 2. The wave-dominated deltas of Brazil: quaternary evolution, current status and vulnerability to climate changes(JML Dominguez) -- Chapter 3. The Reef formations of the western tropical South Atlantic Ocean: distribution, current status and impact of climate changes(R Kikuchi) -- Chapter 4. Geodiversity and Biodiversity of the narrow, shallow tropical shelves of northeastern Brazil(H. Vital) -- Chapter 5. Diversity and trophic structure of pelagic ecosystems in the western tropical Atlantic(R Schwamborn) -- Chapter 6. Circulation, biogeochemical cycles and CO2 flux variability in the Tropical Atlantic Ocean(M Araújo).