美国气候变化政策演变特征和奥巴马政府气候变化政策走向

美国气候变化政策发展大致经历了四个阶段，主要表现出如下特点：从地位上看，美国气候变化政策经历了从一般性程度上升到战略性高度的过程；从内容上看，美国气候变化政策是变化性与延续性相结合的产物；从政府首脑来看，其党派属性对气候变化政策影响重大。奥巴马政府任期内，“积极应对”将会成为美国气候政策的主旋律，但是其国内政策能否有效推进取决于多重因素的相互制衡。美国依旧会继续避免作出实质性的减排承诺，并且会继续要求发展中国家也参与到全球温室气体减排中来，只是形式将会更加间接化和多样化，同时会加强与主要发展中国家的合作力度，并有望打破小布什退出《京都议定书》造成的僵局。

American Climate Change Policy:Past Features and Future Trends

Roughly four stages can be identified in the US climate change policy development,which mainly present the following features:the US climate change policy has experienced a process of attention that escalating from a general level to a strategic level; the US climate change policy is a combination of mutation and continuation; the US climate change policy is largely subject to partisan politics. Obama administration will pursue a positive response policy regarding the US climate change policy,though his dom...