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    August 06

    大多数美国人不相信人类应对气候变化负责

    Earth

    地球 照片:蓝线图/盖蒂图片社

    巴拉克.奥巴马敦促国会和国际社会对气候变化采取行动的言论看来并没有对美国民众产生影响,一项新公布的调查揭示了这一点。

    尽管美国总统呼吁八国集团和世界几大主要污染国避免以狭隘的态度和用经济衰退为借口消极应对全球变暖,大多数的美国人依然不认为人类应对气候变化负责,或者有任何采取紧急行动的必要。

    大约49%的美国人认为地球正在变暖是由于化石燃料的燃烧和人类其他活动的影响,皮尤调查中心和美国科学促进会的调查表明,有36%的人把全球变暖归因于大气的自然变化,另外10%的人认为没有明显的证据表明地球气候正在变化。

    与此相反,科学家们则坚信全球变暖是由人类引起的(84%的科学家认为应归责于人类活动)。大多数科学家(约70%)也相信这是一个很严重的问题。尽管科学家们观点高度一致,大约35%的美国人仍继续错误地认为气候变化不过还是一项科学争论而已,只有47%的公众认为气候变化是一个很严重的问题。调查显示,多年来这组数据一直保持稳定。其它历经多年的民意调查显示,气候变化几乎已被列在紧迫议题的最后一位。

    皮尤民意调查,和过去的其他调查一样,也发现对于气候变化的态度折射着政治立场。有67%的共和党人士或否认气候变化的存在或把这种现象归因于大自然。相反的,64%的民主党人士则相信地球变暖是由人类的活动造成的。

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