Environment Ozone Depletion
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See also:
Common Ozone Depletion Myths - Brief discussions of several common misconceptions.
European Environment Agency - Ozone Depletion - Collection of indicators, reports, links, data sets and targets on European ozone depletion topics.
Ozone: Good Up High, Bad Nearby - An introductory and comparative look at the environmental effects of stratospheric and ground level ozone. Help build the largest human-edited directory on the web.