中新网国际新闻: 联合国研究报告：臭氧层破洞每10年恢复1%到3%

中新网国际新闻

联合国研究报告：臭氧层破洞每10年恢复1%到3% Nov 6th 2018, 08:41 　　中新网11月6日电 据外媒报道，联合国5日公布研究称，可为地球生命阻挡太阳辐射的臭氧层，正以每10年1%到3%速度恢复，逆转多年来因释放有害化学物导致臭氧层危险损耗的现象。

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