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中科院院士:散烧煤等是造成中国城市雾霾主要原因

来源: 南方日报网络版     时间: 2019年11月18日 00:17:04
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(  3月)(7日)(15时)(,全)(国)(政)(协)(十)(二)(届)(四)(次)(会)(议)(在)(梅)(地)(亚)(中)(心)(多)(功)(能)(厅)(举)(行)(记)(者)(会)(,邀)(请)(5位)(全)(国)(政)(协)(委)(员)(就)(全)(面)(节)(约)(和)(高)(效)(利)(用)(资)(源)(,推)(动)(低)(碳)(循)(环)(发)(展)(,加)(大)(环)(境)(整)(治)(力)(度)(特)(别)(是)(大)(气)(、水)(和)(土)(壤)(污)(染)(防)(治)(,加)(强)(生)(态)(保)(护)(和)(修)(复)(,有)(序)(有)(度)(利)(用)(自)(然)(,促)(进)(生)(态)(环)(境)(质)(量)(总)(体)(改)(善)(等)(回)(答)(记)(者)(提)(问)(。  京)(华)(时)(报)(记)(者)(:各)(位)(尊)(敬)(的)(委)(员)(你)(们)(好)(,我)(是)(京)(华)(时)(报)(记)(者)(。提)(问)(秦)(大)(河)(委)(员)(,大)(城)(市)(污)(染)(源)(有)(很)(多)(模)(棱)(两)(可)(的)(说)(法)(,请)(问)(雾)(霾)(成)(因)(是)(什)(么)(?汽)(车)(尾)(气)(到)(底)(是)(不)(是)(首)(恶)(?谢)(谢)(。  秦)(大)(河)(:雾)(霾)(是)(从)(科)(技)(界)(到)(管)(理)(层)(、到)(人)(民)(群)(众)(都)(非)(常)(关)(心)(的)(一)(个)(重)(要)(问)(题)(,关)(系)(到)(民)(生)(、关)(系)(到)(福)(祉)(、关)(系)(到)(健)(康)(。雾)(和)(霾)(是)(两)(回)(事)(,雾)(是)(水)(汽)(,霾)(是)(颗)(粒)(物)(,现)(在)(主)(要)(是)(人)(类)(活)(动)(排)(放)(的)(颗)(粒)(物)(。刚)(才)(你)(问)(到)(有)(关)(雾)(霾)(的)(成)(因)(,简)(而)(言)(之)(,主)(要)(是)(人)(类)(活)(动)(排)(放)(造)(成)(的)(。排)(放)(源)(很)(多)(,就)(全)(国)(来)(说)(煤)(是)(最)(主)(要)(的)(,当)(然)(我)(要)(煤)(正)(名)(,中)(国)(主)(要)(能)(源)(还)(是)(靠)(煤)(,据)(我)(知)(道)(到)(2050年)(中)(国)(的)(煤)(作)(为)(能)(源)(比)(重)(还)(要)(超)(过)(50%左)(右)(,煤)(的)(清)(洁)(利)(用)(是)(关)(键)(。所)(以)(当)(前)(情)(况)(下)(散)(烧)(煤)(和)(没)(有)(清)(洁)(的)(煤)(是)(造)(成)(中)(国)(城)(市)(雾)(霾)(或)(者)(东)(部)(雾)(霾)(的)(主)(要)(原)(因)(。有)(一)(个)(例)(子)(可)(以)(证)(明)(,每)(年)(冬)(季)(取)(暖)(季)(,在)(东)(北)(到)(华)(北)(大)(面)(积)(的)(雾)(霾)(增)(加)(。  秦)(大)(河)(:另)(外)(一)(个)(原)(因)(是)(汽)(车)(尾)(气)(,我)(国)(汽)(车)(尾)(气)(在)(国)(家)(有)(关)(职)(能)(部)(门)(的)(严)(格)(要)(求)(和)(企)(业)(共)(同)(努)(力)(下)(,燃)(料)(油)(品)(的)(质)(量)(提)(高)(比)(较)(快)(。比)(如)(北)(京)(目)(前)(用)(的)(国)(V型)(号)(的)(油)(品)(和)(欧)(洲)(差)(不)(多)(,但)(是)(其)(他)(地)(区)(情)(况)(有)(差)(异)(性)(。所)(以)(就)(大)(城)(市)(来)(讲)(,在)(煤)(作)(为)(一)(种)(主)(要)(污)(染)(物)(的)(情)(况)(下)(,汽)(车)(尾)(气)(排)(放)(是)(有)(一)(定)(分)(量)(的)(。但)(是)(我)(要)(特)(别)(强)(调)(,在)(北)(京)(这)(样)(的)(城)(市)(,建)(筑)(工)(地)(一)(些)(机)(械)(的)(排)(放)(,还)(有)(少)(量)(的)(黄)(标)(车)(以)(及)(冬)(季)(取)(暖)(季)(在)(城)(市)(周)(边)(散)(烧)(煤)(这)(样)(一)(些)(污)(染)(,在)(微)(风)(的)(情)(况)(下)(是)(造)(成)(污)(染)(的)(主)(要)(原)(因)(。你)(要)(问)(前)(两)(天)(雾)(霾)(这)(么)(严)(重)(,为)(什)(么)(这)(两)(天)(天)(气)(这)(么)(好)(?另)(外)(一)(个)(原)(因)(是)(大)(气)(环)(流)(,它)(和)(全)(球)(变)(暖)(有)(一)(定)(关)(系)(。举)(个)(例)(子)(,去)(年)(12月)(初)(北)(美)(洲)(由)(于)(全)(球)(变)(暖)(冷)(空)(气)(迅)(速)(向)(北)(极)(地)(区)(移)(动)(,加)(上)(海)(洋)(海)(冰)(范)(围)(减)(少)(,暖)(空)(气)(达)(到)(北)(极)(点)(的)(时)(候)(一)(度)(上)(升)(到)(零)(度)(左)(右)(。有)(记)(者)(专)(门)(问)(过)(我)(元)(月)(怎)(么)(上)(升)(到)(零)(度)(以)(上)(?我)(问)(了)(一)(下)(,那)(是)(“模)(式)(”估)(算)(的)(温)(度)(,温)(度)(差)(了)(35度)(。这)(样)(强)(大)(的)(压)(力)(下)(,驱)(使)(北)(方)(的)(很)(多)(冷)(空)(气)(向)(北)(推)(移)(,造)(成)(我)(们)(国)(家)(比)(较)(大)(的)(寒)(流)(活)(动)(,其)(中)(有)(一)(次)(是)(霸)(王)(寒)(流)(,还)(有)(老)(百)(姓)(说)(的)(世)(纪)(寒)(流)(,吹)(散)(了)(雾)(霾)(。雾)(霾)(是)(人)(类)(活)(动)(污)(染)(造)(成)(的)(,汽)(车)(尾)(气)(有)(一)(定)(的)(贡)(献)(,天)(气)(条)(件)(非)(常)(重)(要)(。(根)(据)(网)(络)(文)(字)(直)(播)(整)(理)()
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