Introduction 1. Human Dimensions of Changing Environment 2. Development Pathway 3. Instrumental, Terrestrial and Marine Records of the Climate of South Asia during the Holocene: Present Status, Unresolved Problems and Societal Aspects 4. Land Transformation and its Consequences in South Asia 5. Atmospheric Composition Change and Air Quality 6. Global Warming, Changes in Hydrological Cycle and Availability of Water 7. A Review on Current Status of Flood and Drought Forecasting in South Asia 8. Hydrometeorology of Floods and Droughts in South Asia - A Brief Appraisal 9. The El Nino-Southern Oscillation (ENSO) and Stream-Flows in the Greater Ganges-Brahmaputra-Meghna (GBM) Basin 10. Changes in the Coastal and Marine Environments 11. Key Vulnerabilities of Human Society in South Asia to Climate Change and Adaptation Issues Index