人類“補天”40年 南極臭氧層有望2060年恢復(fù)
亚洲va欧美va国产综合
1985年??(nian)3月??(yue)22日??(ri)?,《保??(bao)護(hù)??(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(jié)??(jie)?,開??(kai)啟??(qi)了??(le)全??(quan)球??(qiu)性??(xing)的??(de)“補??(bu)天??(tian)”行??(xing)動??(dong)??。??FCWSCBKILXqibao666888 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