2004年全国播放了一部美国大片《后天》,这个片子的剧情是这样的,它讲了三种灾害,一是龙卷风,一是海啸,一是低温寒冷,而导致这些灾害的原因是温室效应,因为人类使用能源太多了,汽车尾气太多了,各方面的影响使得全球的温度有所上升,本来地球经过46亿年的进化已经取得了平衡,由于温室效应造成了气候变暖造成了极地的冰盖融 In 2004 the whole country broadcast a large American “acquired”, the film’s story is this, it told three kinds of disasters, one tornado, one tsunami, one cold and cold, which led to these causes of the disaster is the greenhouse effect Because human use of energy too much, the car exhaust too much, all aspects of the impact of the global temperature has increased, the Earth has been the evolution of 4.6 billion years have been balanced due to the greenhouse effect caused by climate warming Polar ice cover melting