Introducing the precautionary approach, Principle 15 of the 1992 Rio Declaration states that “where there are threats of serious or irreversible damage, lack of full scientific certainty shall not be used as a reason for postponing cost-effective measures to prevent environmental degradation”.
Precaution involves the systematic application of risk assessment, risk management and risk communication. When there is reasonable suspicion of harm, decision-makers need to apply precaution and consider the degree of uncertainty that appears from scientific evaluation.
Deciding on the "acceptable" level of risk involves not only scientific-technological evaluation and economic cost-benefit analysis, but also political considerations such as acceptability to the public. From a public policy view, precaution is applied as long as scientific information is incomplete or inconclusive and the associated risk is still considered too high to be imposed on society. The level of risk considered typically relates to standards of environment, health and safety.
The key to a precautionary approach, from a business perspective, is the idea of prevention rather than remediation. In other words, it is more cost-effective to take early action to ensure that environmental damage does not occur.
Companies should consider the following:
Companies can support a precautionary approach by communicating potential risks for the consumer and providing complete information on risks to the consumer and the public. Supporting the precautionary approach includes obtaining prior approval before certain products, deemed to be potentially hazardous, are placed on the market.
Steps that a company could take in the application of this approach include the following: