The World Wide Web version of the Executive Summary of the WMO/UNEP Scientific Assessment of Ozone Depletion: 1998 was prepared by Catherine A. Burgdorf of the NOAA Aeronomy Lab, Boulder, Colorado, in cooperation with Dr. Daniel L. Albritton and Dr. Christine A. Ennis of the NOAA Aeronomy Laboratory.
The Executive Summary may be reproduced or excerpted, without modification, provided the source is duly and conspicuously acknowledged in every instance as:
World Meteorological Organization, Scientific Assessment of Ozone Depletion: 1998, WMO Global Ozone Research and Monitoring Project - Report No. 44, Geneva, 1998.
Copies of the Executive Summary are available at no charge by writing to:
United Nations Environment Programme
P.O. Box 30552
The Executive Summary was published in print in March 1999. The World Wide Web version was derived directly from the source of the printed edition and was made public in April 1999.