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He added that if farmers rotate their soil often, the contamination could get worse.

BEIJING, Feb. 25 (Xinhua) -- China's safety watchdog said Monday it will no longer approve new coal mines that do not meet production capacity requirements in 2013 in order to ensure work safety.

"We feel wronged from time to time. But after all this time, we have a clear conscience for having worked really hard to assure local people that they are cared for," Ma says.

Sales volume of a type of mask on Taobao.com and Tmall.com, two popular online marketplaces, has increased ten times ever since Friday, when the hazardous smoggy weather was forecasted.

The report to the 18th CPC National Congress noted, "We must unswervingly encourage, support and guide the development of the non-public sector, and ensure that economic entities under all forms of ownership have equal access to factors of production in accordance with the law, compete on a level playing field and are protected by the law as equals."