人類“補天”40年 南極臭氧層有望2060年恢復
新mm1313受不了了
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)??。??RKEHOBXVYTqibao666888 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