Buildings and cars are seen in the haze in downtown Shanghai December 2, 2013. China will launch two new pilot carbon trading schemes this week in Beijing and Shanghai as it strives to cut soaring ... more 
Buildings and cars are seen in the haze in downtown Shanghai December 2, 2013. China will launch two new pilot carbon trading schemes this week in Beijing and Shanghai as it strives to cut soaring rates of greenhouse gas, reduce choking smog and determine the best system for a nationwide roll-out. REUTERS/Aly Song (CHINA - Tags: POLITICS ENERGY ENVIRONMENT) less 
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Reuters | Photo By ALY SONG / REUTERS
Mon, Dec 2, 2013 4:27 AM EST