西方国家应该在气候问题上团结起来

华盛顿——

美国总统巴拉克·奥巴马将气候问题称为我们这个时代面临的最大挑战之一。美国重新加入了联合国的相关谈判同时,正在推进国内的总量管制与排放交易的立法。

但是,美国在此立场上的改变,并不意味这美国和欧洲已经就气候问题达成了一致的协议。虽然大家对长期的目标一致——到2050年将二氧化碳减少80%,但在具体实施方面,还有着重大的分歧,这就更需要双方的共同努力,以免在哥本哈根会议上的分道扬镳,哥本哈根会议是继1997年京都会议后的又一次关键性会议。

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