7 Essential Words of Fall
the theory that an action should be taken when a problem or threat occurs, not after harm has been inflicted; an approach to decision- making in risk management which justifies preventive measures or policies despite scientific uncertainty about whether detrimental effects will occur
The precautionary principle was adopted by the UN Conference on Environment and Development.
in environmental matters, the theory that if the effects of a product or action are unknown, then the product should not be used or the action should not be taken
A comprehensive definition of the precautionary principle was spelled out in a meeting of scientists, lawyers, policy makers and environmentalists.