BEIJING, Aug. 31 (Xinhua) — Ozone overtook PM2.5 to become the main air pollutant in China in July, and may remain so until the end of October, according to a report released Monday. 215 kata lagi
Tag » Air Pollution
A study published in Population and Environment lends support to a link between exposure to air pollution and academic performance in children.
Researchers studied children attending the fourth and fifth grades in El Paso, Texas. 170 kata lagi