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Activity 6 | Earth's sunscreen – the ozone layer

Different aspects of ozone depletion

Working in small groups, prepare a short talk on a particular aspect of ozone depletion. You could choose a topic from the following list or select one of your own:

  • how has the Earth's atmosphere changed over the past 4700 million years?
  • the work of the World Meteorological Organization;
  • the Montreal Protocol;
  • how the volume of CFCs that escape from car air conditioners can be reduced;
  • how we measure stratospheric ozone.
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Posted February 1997.

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