Hole in ozone layer wasn't CFC( chlorofluorocarbon) afterall 7月 01, 2026 So CCl4 was major culprit , which was widely used and released to atmosphere well before CFC Gizomodo TLDR: Carbon Tetrachloride CCl4 (CTC) Nature MIT news Reference Montreal protocol 16th September ozone layer preservation day 閱讀完整內容