Preface. 1. Overview: the major issues. Threats to Global Water Security: Population Growth, Terrorism, Climate Change, or Commercialisation?;J. Anthony A. Jones.- Less is More: Approaching Water Security and Sustainability from the Demand Side; D. Brooks and Jamie Linton.- Water Security Of Nations: How International Trade Affects National Water Security And Dependency; A.Y. Hoekstra.- Reducing The Risk: Drought Mitigation And The Economy Of Irrigation; S. Szalai and 1. Cselôtei.- Working Group I: Risk Assessment And Water Governance: Chair and rapporteur: David Brooks.- 2. Water quality and terrorism. Drinking Water Security In Crisis Situations From A Medical Perspective; A. E.Gurzau et al.- Biosensors In A System Of Instrumental Tools To Prevent Effects Of Bioterrorism And Automotive Control Of Water Process Purification; N.F. Starodub.-A High Sensitivity Nuclear Method For Real-Time Detection Of Elements And Compounds In Drinking Water And Soil; Ph. Buckup.- Natural Disasters And Surface And Subsurface Water Pollution Risk Assessment For Some Regions Of Georgia; T. Davitashvili.- Storm Surges On The Southern Coast Of Gulf Of Riga: Case Study Of The Lielupe River; T. Koitsova and I. Belakova.- Ground Water Vulnerability Assessment Of The Aparan Aquifer, Republic Of Armenia, And Its Representation In A 3-D Model; A. Aghinian.- Wastewater Modeling To Reduce Disaster Risk From Groundwater Contamination; N. Haruvy and S. Shaihevet.- Survival In Groundwater And FT-IR Characterization Of Some Pathogenic And Indicator Bacteria; z. Filip and K. Demnerova .- Working Group II: The Threat From Armed Conflict And Terrorism: Chairs and rapporteurs: S. Arlosoroff and T. Jones.- 3: Managing Extreme Events and Climate Change. Climate Change, Glacier Retreat, And Water Availability In The Caucasus Region; M. Shahgedanova et al.- Risk Management And Mitigation In Highly Urbanized River Basins; S. Pagliara.- Spatial Data Integration For EmergencyServices Of Flood Management; Gh. Stancalie et al.- The Use Of Remote Sensing And Gis Techniques In Flood Monitoring And Damage Assessment: A Study Case In Romania; A. Irimescu et al.- Flooding In Afghanistan: A Crisis; E. Hagen and John F. Teufert.- Human Factors In The Floods Of Romania; B. Constantin-Horia et al.- Development Of Dangerous Geodynamic Processes In The South Caucasus And The Problem Of Mitigating Their Consequences; I.V.Bondyrev and E.D.Tsereteli.- Threats In The Tienshan-Pamir Region Of Kyrgyzstan; I. Hadjamberdiev et al.- Long-Term Prognosis Of High Flows In The Mountain Rivers Of Georgia; T. Basilashvili.- Water Disasters In The Territory Of Armenia; T. Vardanian.- The Floods On The River Danube In 2006: Social Impact And Remedial PROCESSES; M. Lazarescu.- The Analysis Of Dangerous Hydrological Processes For The Terek River Basin; N.J. Alexeevskiy and N.L. Frolova.- Floods And Their Risk Assessment In East Siberia; L.M. Korytny et al.-Removing Chlorine-Containing Organic Compounds In The Environment After Floods; G. Torosyan and S. Harutyunyan.- Calibration Of An Atmosphericihydrological Model System For Flood Forecasting In The Odra Watershed; H.-T. Mengelkamp.- The Role Of Meteorological Models In The Prediction Of Weather Hazards - The European Approach; C. Cassardo.- Extending The Danube Flood Forecasting System With The Use Of Meteorological Ensembles; A. Csík and G. Bálint.-Working Group III: Threats Due To Climate Change Global Problems In A Regional Context: Chair and rapporteur: P. Robinson.- 4: Protecting Aquatic Ecosystems.Assessment Of Risks And Possible Ecological And Economic Damage From Large-Scale Natural And Man-Induced Catastrophes In Ecologically Vulnerable Regions Of Central Asia And The Caucasus; A.N. Valyaev et al.- Environmental Management Of Intentional Or Accidental Environmental Threats To Water Security In The Danube Delta; L-Daniel Galatchi.- Preventing Disaster On French Creek, One Of The Most