PromptA local planning authority refuses permission for an industrial facility near a nature reserve due to scientific uncertainty about long-term effects on the ecosystem. What principle governs such a decision, and what is its scope in UK environmental law?
Click to flip AnswerThe precautionary principle, derived from EU law and now a core environmental principle under the Environment Act 2021, allows decision-makers to refuse permission where there are threats of serious or irreversible damage, even if scientific certainty is lacking. It is an interpretive tool, not a direct cause of action, and requires cost-effective measures to be taken. The principle must be applied consistently with other statutory duties.
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