China’s war on pollution caused air pollution in major cities to shift to less developed regions and led to an overall increase in emissions, a new study has found. Researchers said that while toughened emission rules in urban areas had brought fresher air to the Chinese capital region, air pollution in the rest of China had worsened. From 2012 to 2017, the Beijing-Tianjin-Hebei urban region recorded a 34% decrease in hazardous particles known as PM2.5. But the provinces surrounding the area saw an average increase of 5% in the fine particulate matter. Overall, China except the capital region saw a 2.5% increase in PM2.5, the study says. The additional pollution represents an increase of 1.
Apr 26, 2019