TY - GEN AU - United Nations Environment Programme PY - 2019 UR - https://wedocs.unep.org/handle/20.500.11822/28256 LA - English KW - ozone-depleting substance KW - ozone layer KW - refrigeration KW - climate change KW - Ozone TI - OzoNews Volume XIX - 15 May 2019 M3 - Communication or other resource ER -