BEIJING, March 5 (Xinhua) — China\’s PM2.5 density, a key indicator of air pollution, fell 57 percent during the past 10 years, said Huang Runqiu, minister of ecology and environment, on Sunday.China\’
Enjoy life, Inspiring work
Enjoy life, Inspiring work
BEIJING, March 5 (Xinhua) — China\’s PM2.5 density, a key indicator of air pollution, fell 57 percent during the past 10 years, said Huang Runqiu, minister of ecology and environment, on Sunday.China\’