Sixteen nations are responsible for 80 percent of the world’s greenhouse gas emissions. Now those nations, dubbed the “major emitters,” are sending representatives to a conference beginning Monday in Washington, D.C., to see if they can work together to slow the pace of climate change. The Obama administration has moved quickly to deal with climate change in the international arena. It has joined the United Nations talks that will take place in Copenhagen later this year and are aimed at developing a climate-change treaty. It is working one-on-one with China — which recently surpassed the U.S. as the world’s largest carbon emitter.

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