12.3.4.7. Ozone Layer Depletion

Try these first

1. 1.

   What does the ozone layer protect us from?

   Hint

   Consider what happens when the ozone layer is damaged.

2. 2.

   What chemical is primarily responsible for ozone depletion?

   Hint

   Think of common household items that contain these substances.

3. 3.

   What is the main purpose of the ozone layer?

   • To produce oxygen
   • To absorb UV radiation
   • To regulate climate

   Hint

   Think about what happens if we didn’t have it.

4. 4.

   True or False: CFCs are naturally occurring substances.

   • True
   • False

   Hint

   Consider where CFCs come from.

5. 5.

   Assess the impact of past international treaties, such as the Montreal Protocol, on ozone layer recovery.

   Hint

   Consider the timeline of when these actions were taken.

6. 6.

   Elaborate on how the process of ozone depletion can serve as a model for understanding other environmental challenges.

   Hint

   Think about lessons learned and the global response mechanism.