我的母校杨伯翰大学(Brigham Young University) 和哈佛大学的一个研究表明,PM2.5每下降10 微克/m3,人的寿命可以增加7个月。 http://news.byu.edu/archive09-Jan-pope.aspx A new study by researchers at Brigham Young University and Harvard School of Public Health shows that average life expectancy in ...