RT null
T1 The Secretary-General - Message on the International Day for the Preservation of the Ozone Layer, 16 September 2018
A1 United Nations, 
K1 ozone
K1 ozone-depleting substance
K1 ozone layer
K1 Ozone
YR 2018
FD 2018-09
LK https://wedocs.unep.org/handle/20.500.11822/26660
UL https://wedocs.unep.org/handle/20.500.11822/26660
NO The Secretary General's 2018 message on the occasion of World Ozone Day on 16 September 2018.
DS UN Environment Document Repository
RD Sep 20, 2026