Preface.- Acknowledgements.- Part 1. Environmental Security: Regulatory Needs and Tools.- Environmental Security, Critical Infrastructure and Risk Assessment: Definitions and Current Trends; D.A. Belluck et al.- Environmental Security: Approaches and Tools; R.J. Wenning et al.- Integrating Comparative Risk Assessment and Multi-Criteria Decision Analysis: Working through Wicked Problems and Their Impossible Solutions; G.A. Kiker et al.- Environmental Security in Harbors and Coastal Areas: Management Using Comparative Risk Assessment and Multi-Criteria Decision Analysis Framework; B.G. Biggs, M.K. Kiker.- Part 2. Coastal Areas: Challenges and Solutions.- Environmental Security and Environmental Regulations in Israel; R. Bronfman.- Managing Sediment Risk at the Basin Scale: European Frameworks in Support of Complex Decisions; S. Apitz et al.- Multicriteria Decision Analysis and Strategic Uncertainties; C. Yoe.- Ranking of Available Countermeasures Using MCDA Applied to Contaminated Environment; A. Grebenkov, A. Yakushau.- Engaging the General Public and Other Stakeholder Groups; J. Skei.- Risk and Decision Methods Applied to Aquatic Ecosystem Management: Considerations for Invasive and Endangered Species; B.S. Payne et al.- Stakeholder Preference Elicitation; R.M. Cooke.- Multiobjective Risk/Cost Analysis of Artificial Marine Systems Using Decision Trees and Fuzzy Expert Estimations; E. Levner et al.- The Bouchard-120 and Chalk Point Spill Responses: Objectives and Performance Metrics; S.P. Tuler et al.- Part 3. Applications of Multi-Criteria Decision Analysis.- Comparative Assessment of Several Multi-Criteria Decision Analysis Tools for Management of Contaminated Sediments; I. Linkov et al.- SMAA-TRI: A Parameter Stability Analysis Method for ELECTRE TRI; T. Tervonen et al.- Treating Uncertain Criteria and Stakeholder Preference Information in Environmental Multi-Criteria Decision Problems; R. Lahdelma, P. Salminen.- Fuzzy vs. Probabilistic Methods for Risk Assessment of Coastal Areas; D. Angelides, Y. Xenidis.- Decision Support Systems for the Management of Contaminated Sites: A Multi-Criteria Approach; S. Giove et al.- Visualization of Pareto Frontier in Environmental Decision Making; A.V. Lotov.- Spatially-Explicit Population Models with Complex Decisions: Fish, Cattle, and Decision Analysis; R.A. Goodwin et al.- Part 4. Applications of Risk Assessment.- Risk Assessment in Detection and Prevention of Terrorist Attacks in Harbors and Coastal Areas; M.K. Zaidi.- Complex Health Risk Assessment and Analysis from Exposure to Ionizing Radiation, Chemical Contaminants and Other Sources of Harm; V. Demin.- Role of Risk Assessment in Environmental Security Planning and Decision-Making; R.J. Wenning et al.- Humic Substances as a Natural Factor Lowering Ecological Risk in Estuaries; Z. Filip, K. Demnerova.- Risk Assessment Applications in Croatia; D. Sinka, D. Skanata.- Part 5. Case Studies in Environmental Security Analysis.- Risk Assessment of the Effect of Wastewater Treatment and Desalination Processes on the Coastal Aquifer in Israel: Using Multi-Criteria Decision Analysis; N. Haruvy, S. Shalhevet.- Evaluation of Drinking Ground Water for the Rural Areas Adjacent to the Nearby Desert of Giza Governorate of Greater Cairo, Egypt; M.M. Emara et al.- Impact of Lithuanian Sea Harbors on Environmental Stability and Local Ecosystems; G. Ignatavicius, V. Vilutiene.- The Caspian Sea Region: Environmental Security and Risk Assessment Applications in Oil and Gas Development Projects; E. Ostrovskaya et al.- Investigation of Discharge of Fresh Water in the Canakkale Strait (Dardanelles - Turkey); A. Baba et al.- The South Mediterranean Coastal Sustainable Development Project: Environmental and Human Development Risk; B. Raissouni, M. El Bouyoussfi.- Lake Sevan in Armenia: Socio-Economic Analysis for Secure Development Policies; V. Sargsyan.- Multi-Criteria Decision Analysis and the Tar Creek Superfund Site: Initial Findings; C.J.