TY - GEN AU - United Nations Environment Programme PY - 2020 UR - https://wedocs.unep.org/handle/20.500.11822/32050 LA - English KW - ozone layer KW - COVID-19 KW - virus KW - chlorofluorocarbon KW - cooling KW - refrigeration KW - ozone-depleting substance KW - Viet Nam KW - Saudi Arabia TI - OzoNews Volume XX - 30 March 2020 M3 - Communication or other resource ER -