Part 1 System Framework: Systems engineering of natural resources under changing physical conditions - a framework for reliability and risk; L. Duckstein, E. Parent. Systems engineering of natural resources under changing physical conditions - State of the art in systems modelling; E. Parent, L. Duckstein. Design and control of water systems under unsteady conditions; R. Soncini-Sessa. Institutional analysis and water resources management; M. Waterstone. Part 2 The Changing Input Function: Numerical models for the simulation of natural and anthropogenic climate variations; J.C. Andre. Estimation of local climatic factors under climate change; I.Bogardi, I. Matyasovszky, A. Bardossy, L. Duckstein. Synenergistic effect of dam and forecast on flood probabilities: a Bayesian analysis; K.S. Kelly, R. Krzysztofowicz. Part 3 Stochastic Analysis under Non-stationary Conditions: Some reliability measures for non-stationary Markov chains; I. Abi-Zeid, B. Bobee. Statistical detection of changes in geophysical series; J. Bernier. Risk analysis of hydrologic data - review and new developments concerning the Halphen distributions; B. Bobee, P. Rasmussen, L. Perreault, F. Ashkar. Part 4 Regional Consequences of Climatic Change: Estimation of extreme regional precipitation under climate change; A. Bardossy. Detection and modelling of the impact of climatic change on river flows; G. Cavadias. Sea-level rise problems; T. Pohlmann, J. Suendermann. Climatic changes during the 20th century on the Laurentian Great Lakes and their impacts on hydrologic regime; M. Slivitzky, L. Mathier. Sediment yield and pollution from small watersheds under changing climatic conditions; I. Bofgardi, J. Ganoulis, L. Duckstein, I. Matyasovszky. Water quality in coastal zones under variable climatic conditions; J. Ganoulis, L. Duckstein, I. Bogardi, I. Matyasovszky. Report of Panel 1: Global change, a statistical myth? B. Bobee, G. Cavadias (rapporteurs). Part 5 Engineering Decisions under Uncertainty and Risk: Inference and decision under near ignorance conditions; W.F. Caselton, W. Luo. Design and control of water systems in presence of inflow scenarios; R. Soncini-Sessa, A. Karbowski. Risk of extreme flood losses under uncertain physical conditions; J.H. Lambert, D. Li, Y.Y. Haimes. Sea-level rise: A probabilistic design problem; J.K. Vrijling. Quantitative analysis of uncertainties in water resources - application for predicting the effects of changes; J. Bernier. Strategic decisions under non-stationary conditions: a stopping-control paradigm; R. Krzysztofowicz. Report of Panel 2: When and how should we act? M. Waterstone (rapporteur). Part 6 Policy and Case Studies. (Part contents).