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. Open Full Article...
Antarctic ozone hole
The Ozone Layer Case File: How the World Tackled a Global Environmental Threat (Teach This Topic)
This guide supports you in teaching the finished lesson as an evidence case study. Open Full Article...
The Ozone Layer Case File: How the World Tackled a Global Environmental Threat
Why would a protective layer high above Earth suddenly become dangerously thin over the South Pole each spring? Open Full Article...