China's Ministry of Environmental Protection on Friday warned leaders of two heavily polluted cities to take concrete actions to strengthen inspections and impose severe penalties on polluters.
PM 2.5 refers to fine particulate matter, which is of especially great health concern because, with diameters no greater than 2.5 micrometers, the particles are small enough to penetrate deep into the lungs.
Projects such as public rental housing, disaster relief, emergency rescue and residential renovation are exempted, said Yao Hui, deputy director of the bureau.
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