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precautionary principle

the precept that an action should not be taken if the consequences are uncertain and potentially dangerous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for precautionary principle

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.

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1988's 21st Century Lexicon
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