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北京6次单双号限行情况分析:道路拥堵指数降一半

2016-01-11 12:49:13   

分析“红警”效用,抓住治霾肯綮

京平

去年11月以来,本市频频遭遇区域性雾霾天气,并两次启动红色预警。“红警”之下,全民应战,周边联动,正向效应明显。来自环保部门的数据显示,第一次“红警”将当轮污染日均水平由严重压低至重度;第二次“红警”同样表现不俗,使北京PM2.5浓度下降了20%至25%。

“红警”之效,很大程度在于管住了机动车、工业生产等“排放大户”。客观地说,今冬雾霾之重,确有天不帮忙的客观因素。风速减小、相对湿度大、静稳天气增多,尤其是极强厄尔尼诺等不利气象条件,无不助长着雾霾的“气焰”。但话说回来,粗放的城市发展方式与城市居民生活方式才是根本原因。根据北京的PM2.5来源解析,本地排放“贡献”最大,其中机动车、燃煤、工业生产、扬尘为主要来源,分别占31.1%、22.4%、18.1%和14.3%。也正是基于这样的考虑,我们在红色预警中才会提出限行限产停工等一系列针对性措施。事实证明,剑锋所指,确实抓住了治霾的肯綮。

当前,北京大气污染防治形势依然严峻,巩固已有治理成果并逐步向纵深发展,还需要我们付出更大努力,也呼唤更加有力的群策群力、联防联控。作为一种区域性的环境问题,治理雾霾不仅需要本市职能部门各尽其责,有赖广大市民积极配合,同样离不开天津、河北等兄弟省市的鼎力支持。过去一年,京津冀及周边地区大气污染防治协作机制充分发挥了应有作用,并得以进一步健全完善。环保部监测数据初步显示,2015年京津冀及周边地区的PM2.5浓度比上年下降了10.4%,其中天津下降了15.7%,河北下降了18.9%。

面对兄弟省市的付出与配合,生活在北京的我们,当怀有感恩之心,同时更加主动地融入协力治霾这项大工程,并力争走在前面。首要一点,就是要在思想认识上提升一个层次。经济社会发展的成果全体共享,而发展过程中产生的成本,也需要大家来共同面对、共同改善。上上下下,方方面面,在这个问题上不断深化共识,防治合力才能愈发强劲。

治理雾霾没有旁观者,每一个人都要动真格,都要出实力,都要尽义务。今年,本市减排措施将聚焦“改农村散煤”,治理“小散乱污”企业,还有望实行最严格的“京六”排放标准,无不需要广大市民的积极配合。改变生活习惯或许会造成一时的不适或不便,但从长远看,这正是为自己和他人负责。面对周边兄弟省市以“自我革命”的决心勇气,关停大批污染企业,积极配合联防联控,作为首都市民的我们,也当多些付出,甚至多些忍耐。

良好的空气质量不能等风吹,而要靠人为。惟此,我们才更有信心,也更有底气,去期待更清新的空气、更洁净的水、更优美的生态环境。

责任编辑:陈倩 CN030
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