Abstract
Because of the increasing size and complexity of technological projects, conventional methods of assessing the risk to populations and the environment on the basis of experience are no longer appropriate. A system engineering paradigm, approaching man-machine-environment interactions through logical, mathematically based models, represents the best way forward. However, the effort involved in developing such models and compiling the databases on which they will rely requires international collaboration. Eventually, fixed risk values that can be applied to a given technology in the same way as safety factors are used in structural engineering calculations should emerge. It is recommended that the principles of risk assessment be included in the basic training given to engineering students.
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