Meeting information clear Symbol Document title Documents Draft Resolution on a Protocol Concerning Chlorofluorocarbons en en Protection of the Ozone Layer Protocol Negotiations (Discussion Paper) en en UNEP/WG.151/2 Fifth Revised Draft Protocol on Chlorofluorocarbons en en UNEP/WG.151/Background2 Report of the Second Part of the Workshop on the Control of Chlorofluorocarbons en en UNEP/WG.151/Background3 Executive Summary of the Assessment of Ozone Layer Modification Submitted by UNEP Co-ordinating Committee on the Ozone Layer en en UNEP/WG.151/Background4 UNEP Policy Support Document Submitted by UNEP Co-ordinating Committee on the Ozone Layer en en UNEP/WG.151/Background5 Assessment Statement - Effects of Ozone Layer Modification en clear