Rowland and Molina Theorize That Ozone Depletion Is Caused by Freon
At a glance:
- Series: Great Events from History II: Science and Technology Series
- Categories: Science, Environmental Issues
- Subcategories: Scientists, Earth Sciences, Chemistry, Chemists
- Curriculum: American History 1951-present, Latino History
- Geographical Location: California
- Date: December, 1973-June, 1974
Article abstract: Rowland and Molina warned that chlorofluorocarbon gases (Freons) may be destroying the ozone layer of the stratosphere.
Summary of Event
Ozone, a triatomic form of oxygen, is a bluish irritating gas of pungent odor, formed naturally in the upper atmosphere by a photochemical reaction with solar ultraviolet radiation. It is a rare gas that protects Earth from the most dangerous radiations of the sun. Ozone can absorb ultraviolet rays efficiently even when it is present in very small amounts; for example, if the ozone in the stratosphere...
[The entire page is 2012 words long]
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