TY - GEN AU - United Nations Environment Programme PY - 2019 UR - https://wedocs.unep.org/handle/20.500.11822/28676 LA - English KW - ozone layer KW - refrigeration KW - energy efficiency KW -  Energy Efficiency KW - Ozone TI - OzoNews Volume XIX -15 June 2019 M3 - Communication or other resource ER -