Ozone is a molecule present in relatively high abundance in the stratosphere (a layer in the atmosphere). It plays a major role in making Earth a liveable place by protecting against harmful ultraviolet radiation from the Sun. Human activities have compromised this protective layer, but strategies are in place to protect it.
|1||UV and ozone|
|2||Air pollution and ozone|
|3||The Montreal Protocol|
- Use secondary data to investigate changing trends in the concentrations of stratospheric ozone and ozone depleting substances and create a presentation to an intergovernmental panel providing recommendations.
“Evaluate the role of national and international organisations in reducing emissions of ozone-depleting substances.” [9 marks]
The essay should marked using the Paper 2, Section B essay markbands.