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qi hou bian nuan shui zui zao yang quan qiu shi da zui shou ying xiang di qu yi lan
Pages: 18-21
Year: Issue:  1
Journal: Knowledge is Power

Abstract:  在哥本哈根召开的全球气候大会,于当地时间2009年12月19日闭幕.大会通过的协议指出,应对气候变化的长期目标,是将全球变暖幅度控制在2摄氏度内.多数科学家认为,目前全球气候变暖的趋势主要是由人类产生的"温室效应"不断扩大造成的,地球发出的热量在进入太空的过程中被地球大气层捕获,就会引起全球温度上升.
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