Emissions of four major pollutants in China saw a year-on-year decrease of 2 to 3 percent in the first half of 2013, according to a report released by the
Ministry of Environmental Protection released on Friday.
The report showed that Chemical Oxygen Demand, a measure of organic pollutants in water, stood at 11.993 million tons in the first six months, representing a 2.37 percent drop year on year.