PART-I: Introduction to systems analysis for civil engineers, investment & capital return, environmental sustainability & management. Elements of water resources & environmental systems analysis. Mathematical techniques: linear programming, dynamic programming, non-linear programming, hierarchical analysis, multi-objective optimization, stochastic programming, input-output analysis, risk analysis, statistical methods, and basic econometrics. Database design, use of webGIS and of internet technologies. PART-II: Application of systems methods in: environmental decision making, environmental quality (pollutants, air, water, soil, biota), ecosystems, inland & coastal waters, solid & toxic wastes, EIA & sustainability plans. Optimal design of water & environment works: dam, energy systems, water supply, sewerage, treatment plant, outfall, agricultural & drainage system, regional actions & decision making. Scheduling of works, project management via systems techniques, optimal works performance. Hands-on systems applications and site visit.