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News in Review - March 1992 Disappearing Ozone: Danger in the Sun?

The debate over the thinning of the ozone layer has intensified, with evidence of ozone depletion over Canadian territory. This report looks at the science and politics of the issue.
  • 1992
  • 00:11:21
  • 13-14
  • Added on: 03/15/1992

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