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chloroflourocarbons, Tag
- Antarctic ozone layer shows "first fingerprints of healing" Sat, 2 Jul 16, 12:44amNearly 30 years ago, almost every country in the world signed the Montreal Protocol to ban chlorofluorocarbons (CFCs) used in refrigerators, aerosols, and dry cleaning...
- The Ozone Hole Above Antarctica is as Big as North America Thu, 6 Nov 14, 6:28amData from NASA shows that this year's hole in the ozone layer above Antarctica remains largely unchanged. On September 9, 2014, it measured 24.1m square km, which is roughly the size of North America; only a little smaller...
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