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    研究发现,在上世纪90年代,燃煤产生的空气污染可能导致中国部分地区的人口平均寿命缩短超过五年以上。这一结果为公众要求中国政府治理环境的呼声增加了分量。
  麻省理工学院(Massachusetts Institute of Technology)和其他三所大学的经济学家周一公布的最新研究发现,中国高浓度空气颗粒物带来的影响可能比专家预想的还要糟糕。这项研究考察的是中国不同地区的人口平均寿命,根据中国的供暖政策,这些地区的燃煤量也存在差异。燃煤产生的颗粒物是主要
(07/09/2013 20:44:34,142) [查看全文]
[导读]由亚行与众多专家完成的《中国环境分析》报告昨日发布,数据显示世界上污染最严重的10个城市有7个在中国,全国500个城市中,空气质量达到世卫组织推荐标准的不足5个。
(01/15/2013 10:39:56,195) [查看全文]
内容提要:超级火山卡特拉火山12月2日出现喷发迹象,也许是冰岛本世纪最大的一次火山爆发,将给欧洲带来巨大灾难
(05/08/2012 22:13:11,239) [查看全文]
位于非洲最东部的“非洲之角”的索马里半岛上,有一个国家叫索马里。这个一千多万人口国家的地理位置占据着十分重要的战略地位——北临亚丁湾,东濒印度洋,是亚、非、欧三大洲的海上咽喉,世界航运的生命线,每年有100多个国家近2万艘商船穿梭于它附近的海域。
然而,自1991年以来,厄运就没离开过这个国家:军阀割据,内战频仍,天旱地裂,经济崩溃;再加上有的外部势力觊觎这块战略要地和自然资源,给这个
(08/29/2009 23:18:00,289) [查看全文]
恐惧与痛苦--战争带来的伤害
(10/17/2008 01:51:17,3526) [查看全文]
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