Ozone Layer Speech Outline
Persuasive Speech Outline
General Purpose: To persuade
Specific Purpose: To persuade my audience that the "ozone hole" is not caused by man and therefore requires no policy against CFC's.
Central idea: The ozone layer/"hole" is caused by fluct. in the environment and CFC's are little if any of the cause of ozone depletion. CFC's are very heavy, they stay close to the ground and do not affect the stratosphere. Volcano's put out approx 10X more times chlorine than man produces. Ozone Center of WA states: "The 1991 volcanic eruption of Mount Pinatubo led to temporary severe ozone depleti…
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