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. 2009 Jul 30;10(8):3371–3399. doi: 10.3390/ijms10083371

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© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 3. — Beneficial and detrimental pools of ozone in the stratosphere and troposphere, respectively. In the stratosphere this pool is depleted by fluorochlorocarbons (CCl₂C₂) while in the troposphere it is raised by photochemical smog.