U.S. and Chinese officials plan to unveil new, more ambitious carbon-emission rules for several Chinese cities and provinces, embracing a faster timeline than the sweeping targets President Obama and Chinese President Xi Jinping set last year for reducing greenhouse gases over the next decade.
The announcements — to come during a climate-change summit Tuesday of mayors, governors and provincial leaders in Los Angeles — follow similar commitments made by American mayors and governors.
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FOR THE RECORD
An earlier version of this post misspelled Chinese President Xi Jinping's name as Xi Jinpeng.