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The Ozone Layer Case File: How the World Tackled a Global Environmental Threat (Parent Q&A)

This guide explains how scientists identified damage to the stratospheric ozone layer and how international action followed. It summarises the chemistry, evidence, Montreal Protocol and replacement technologies covered in the lesson. It also explains why recovery is gradual and why continued monitoring and compliance remain important.

The Ozone Layer Case File: How the World Tackled a Global Environmental Threat

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