RT null T1 Economic Panel Report: Montreal Protocol on Substances that Deplete the Ozone Layer A1 United Nations Environment Programme, K1 ozone layer K1 environmental information K1 chlorofluorocarbon K1 ozone-depleting substance YR 1989 FD 1989-07 LK https://wedocs.unep.org/handle/20.500.11822/28656 UL https://wedocs.unep.org/handle/20.500.11822/28656 NO This report assembles available information on the economic costs and benefits of the Protocol measures. This information will help guide the revision of the Protocol envisaged for early 1990. DS UN Environment Document Repository RD Sep 21, 2026