This 5-days course introduces you to the decision support system (DSS) tools for EIA, audit and SEA process and teaches you how to collect field geospatial data using mobile GIS tools, acquire and processing open source environmental datasets, delineate ecologically sensitive areas using digital-image analysis (eg wetlands, water catchments, etc.), carry out land suitability and vulnerability mapping (eg groundwater pollution vulnerability) and spatial multi-criteria decision analysis (eg. Flood risk mapping).