Hope For Copenhagen?

| Mon Nov. 30, 2009 2:00 PM EST

The climate summit that kicks off in Copenhagen next week may turn out to be more eventful than you might expect, thanks to significant promises from the US and China in recent days.

Last week, the White House confirmed that Obama will make a pit stop at the summit and announce that the United States is committing to reducing planet-warming emissions in the neighborhood of 17 percent below 2005 levels by 2020.

The next day, the Chinese government announced a goal of reducing their carbon intensity—the amount of greenhouse gas emitted per unit of gross domestic product—by up to 45 percent below 2005 levels by 2020. Since the US and China together are responsible for 40 percent of the world's emissions, these commitments are expected to have a real impact on the negotiations.

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