TY - GEN PY - 2018 UR - https://wedocs.unep.org/handle/20.500.11822/26858 LA - English KW - ozone-depleting substance KW - hydrofluorocarbon KW - stratosphere KW - ozone layer KW - climate KW - Ozone TI - Scientific Assessment of Ozone Depletion: 2018 - Executive Summary M3 - Policy brief ER -