The precautionary principle is critical and useful tool for addressing risk. Put simply, it encourages us to resolve uncertainty judiciously and carefully, with an awareness of possible risks. It gives us a check on unbridled enthusiasm, and a check that is altogether important. In fact, many of the regulations we have in place in society are built around precaution rather than simply assuming something is worthwhile.
So the precautionary principle has value in many uncertain circumstances, but we shouldn’t assume that it has value in any uncertain circumstance because, to be perfectly frank, all circumstances are uncertain. The question is of degree. And improperly applied, the precautionary principal can be unbridled and dangerous—the exact attitude it is intended to keep in check.
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