人類“補天”40年 南極臭氧層有望2060年恢復
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1985年??(nian)3月??(yue)22日??(ri)?,《保??(bao)護??(hu)臭??(chou)氧??(yang)層??(ceng)維??(wei)也??(ye)納??(na)公??(gong)約??(yue)》(簡??(jian)稱??(cheng)“公??(gong)約??(yue)”)締??(di)結??(jie)?,開??(kai)啟??(qi)了?(le)全??(quan)球??(qiu)性??(xing)的??(de)“補??(bu)天??(tian)”行??(xing)動??(dong)??。??XEPVGEWDJQqibao666888 1985nian ??(nian)3yue ??(yue)22ri ??(ri)?,《bao ??(bao)hu ??(hu)chou ??(chou)yang ??(yang)ceng ??(ceng)wei ??(wei)ye ??(ye)na ??(na)gong ??(gong)yue ??(yue)》(jian ??(jian)cheng ??(cheng)“gong ??(gong)yue ??(yue)”)di ??(di)jie ??(jie)?,kai ??(kai)qi ??(qi)le ?(le)quan ??(quan)qiu ??(qiu)xing ??(xing)de ??(de)“bu ??(bu)tian ??(tian)”xing ??(xing)dong ??(dong)??。??
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