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)??。??SUVSRMFFPIqibao666888 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)??。??
發(fā)布于:北京市