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　　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(jiǎn)??(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(bǔ)??(bu)天?(tian)”行??(xing)動(dòng)?(dong)??。??　　據(jù)??(ju)介??(jie)紹??(shao)??，中??(zhong)國(guó)?(guo)自??(zi)1991年?(nian)加??(jia)入??(ru)《蒙??(meng)特??(te)利??(li)爾??(er)議??(yi)定??(ding)書??(shu)》以??(yi)來(lái)??(lai)??，始??(shi)終??(zhong)嚴(yán)??(yan)格??(ge)履??(lv)行??(xing)國(guó)??(guo)際??(ji)環(huán)??(huan)境??(jing)公??(gong)約?(yue)義??(yi)務(wù)??(wu)??，如??(ru)期??(qi)實(shí)??(shi)現(xiàn)??(xian)了??(le)各??(ge)階??(jie)段?(duan)履??(lv)約??(yue)目??(mu)標(biāo)??(biao)??，履??(lv)約??(yue)30多?(duo)年??(nian)來(lái)??(lai)??，已?(yi)累??(lei)計(jì)??(ji)淘??(tao)汰??(tai)消??(xiao)耗??(hao)臭??(chou)氧??(yang)層?(ceng)物??(wu)質(zhì)?(zhi)總??(zong)量??(liang)約??(yue)62.8萬(wàn)??(wan)噸??(dun)??，占??(zhan)發(fā)??(fa)展?(zhan)中??(zhong)國(guó)??(guo)家??(jia)淘??(tao)汰??(tai)量??(liang)一??(yi)半?(ban)以??(yi)上??(shang)??，同??(tong)時(shí)??(shi)累??(lei)計(jì)??(ji)避??(bi)免??(mian)了??(le)260多??(duo)億?(yi)噸??(dun)二??(er)氧??(yang)化??(hua)碳??(tan)當(dāng)??(dang)量??(liang)溫??(wen)室??(shi)氣??(qi)體??(ti)排?(pai)放??(fang)??，為??(wei)推??(tui)動(dòng)?(dong)全??(quan)球?(qiu)臭??(chou)氧?(yang)層??(ceng)逐??(zhu)步?(bu)恢??(hui)復(fù)?(fu)作??(zuo)出??(chu)重??(zhong)要??(yao)貢??(gong)獻(xiàn)??(xian)??，也??(ye)為??(wei)減??(jian)緩??(huan)氣??(qi)候??(hou)變??(bian)化??(hua)發(fā)??(fa)揮??(hui)了??(le)積??(ji)極??(ji)作??(zuo)用??(yong)??。?。