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Ozone depletion - CFC phaseout

Image caption:
A graph showing world production of three major CFC types between 1970 and 1988. The dot marks the year (1977) that the US phaseout of CFCs was announced.

See the Understanding Science page where this image appears.

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Image credit:
If you use this image in your own non-commercial project please credit it to the University of California Museum of Paleontology's Understanding Science (http://www.understandingscience.org).

 


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