The 'modern' approach to risk management fails with increasing scientific uncertainty. Risk regulators have responded to this difficulty by invoking the precautionary principle (PP). Under the PP, the bridge from risk assessment to risk management involves scenarios which use retrospective...

The regulation of health and environmental risks has generated transatlantic controversy concerning precaution and the precautionary principle (PP). Conventional wisdom sees the European Union endorsing the PP and proactively regulating uncertain risks, while the United States opposes the PP and...

Uncertainty, the precautionary principle and scenario are three important concepts in current regulatory debates concerned with risk management. In this paper, each concept is described in relation to its regulatory context and a linkage between the three concepts is established. Three scenarios...