TY - GEN AU - United Nations Environment Programme PY - 2017 UR - https://wedocs.unep.org/handle/20.500.11822/26766 LA - English KW - ozone KW - ozone-depleting substance KW - ozone layer KW - hydrochlorofluorocarbon KW - Antarctica KW - Antarctic KW - Ozone TI - OzoNews Volume XVII - 30 August 2017 M3 - Communication or other resource ER -