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Environmental Science

The Precautionary Principle in Technology and Environmental Policy

Quick fact

The precautionary principle is enshrined in international agreements like the Rio Declaration (1992), which states that lack of full scientific certainty shall not be used as a reason to postpone cost-effective measures to prevent environmental degradation.

Why this is interesting

Imagine a new chemical that might leak into your groundwater. Scientists aren't sure yet—should we wait for proof before banning it?

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The Precautionary Principle in Technology and Environmental Policy

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