Changes In Ozone Layer Offer Hope For Improvement, Says Team Of Scientists

Analysis of several different satellite records and surface monitoring instruments indicates that the ozone layer is no longer declining, according to a study by scientists working with the Center for Integrating Statistical and Environmental Science (CISES) at the University of Chicago.

In some parts of the world, the ozone layer has increased a small amount in the past few years, although it still well below normal levels.

The results will be published Aug. 31 in the Journal of Geophysical Research and follow 18 years after an international agreement, the Montreal Protocol, was established to limit the production of chemicals determined to be harmful to the atmosphere.

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http://www.sciencedaily.com/releases/2005/08/050831074639.htm