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Science 6 September 2002:
Vol. 297. no. 5587, pp. 1623 - 1625
DOI: 10.1126/science.297.5587.1623
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News of the Week

OZONE DEPLETION:
A Brighter Outlook for Good Ozone

Richard A. Kerr

The latest quadrennial assessment of the state of the protective stratospheric ozone layer finds that restraints on production of ozone-destroying chemicals such as chlorofluorocarbons are having the intended effect. The concentration of the prime offender, chlorine, is at or near a peak in the stratosphere. And an improved scientific understanding of stratospheric ozone is reassuring scientists that the world has probably seen the worst of ozone loss.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)