Even as the U. S. Senate debates a vast new tax and spend regime in the name of fighting climate change, a more instructive argument was taking place in Copenhagen, Denmark.

就在美国参议院讨论一个庞大的新税收和支出制度以应对气候变化时，丹麦的哥本哈根提出了一个更具指导意义的论点。

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The White House says President Barack Obama will attend next month's climate change summit in Copenhagen,Denmark, and will make a provisional pledge to cut U.S.greenhouse gas emissions by 17 percent from 2005 levels by 2020.

VOA: standard.2009.11.26

It seeks to "generate the political leadership necessary" for a successful outcome at the U.N. climate change negotiation to be held in Copenhagen, Denmark, in December.

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Verifying the accuracy of these emissions inventories derailed negotiations in Copenhagen, Denmark and remained contentious, especially between the U.S. and China, at U.N. climate talks in Cancun, Mexico.

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