I. Summary of General Studies on Safety, Environmental Impact and Cost of Magnetic Fusion -- Fusion Reactor Economic, Safety, and Environmental Prospects -- European Studies on Safety, Environmental Impact, and Cost of Magnetic Fusion Power -- General Methodology of Safety Analysis/Evaluation for Fusion Energy Systems (GEMSAFE) and its Applications -- Summary of the U.S. Senior Committee on Environmental, Safety, and Economic Aspects of Magnetic Fusion Energy (ESECOM) -- II. General Program Evaluation -- The Energy Scene in the Mid-21st Century -- Review of Plasma Physics Constraints -- The Status of Inertial Confined Fusion Research in the US -- III. Feasibility Problems -- Main Issues in Fusion Reactor System Engineering -- Special Materials for Fusion Reactors -- Feasibility Aspects of the D-3He Fuel Cycle in Tokamak Power Reactor Plants -- Feasibility, Safety and Environmental Aspects of D-3He Fusion -- IV. Component Related Safety and Environmental Problems -- First Wall and Blanket Safety -- Tritium Environmental Risk in Future Fusion Reactors -- V. Safety and Economy of Fusion Proto-Reactors -- Safety and Environmental Impact of ITER/NET -- Cost Analysis of Next Step Devices and the Implications for Reactors -- Pulsed Versus Steady-State Reactor Operation in View of Safety and Economy -- VI. Panel Discussions and Conclusions -- Short Contributions: "Materials Selection for Fusion" (G.J. Butterworth); -- "Lessons from Fission - A Personal Perspective" (E.C. Brolin) -- "Dose Limits for Fusion Reactors" (P. Rocco) -- "Public Acceptance of Nuclear Fusion" (M. Snykers) -- Panel Discussion on Safety and Environmental Impact of Fusion Reactors -- Panel Discussion on Economic Prospects of Fusion Reactors -- Concluding Panel -- VII. Miscellanea -- Participants -- International School of Fusion Reactor Technology -- Index, including explanation of abbreviations, acronyms, and radiological units.