By Christi Parsons and Chris Megerian, LA Times | Link to article
Under new promises, the cities of Beijing and Guangzhou are committing to start tapering their carbon dioxide emissions by the end of 2020. Above, smoke rises from a coal-fired Chinese power plant in 2009. (Andy Wong / Associated Press)
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 Jinpeng 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.
