Reductions in PM2.5 were associated with improvements in life expectancy for the period from 2000 to 2007. Air pollution control in the last decade has continued to have a positive impact on public health.
Correia, Andrew W.; Pope, C. Arden III; Dockery, Douglas W.; Wang, Yun; Ezzati, Majid; Dominici, Francesca; Epidemiology, 3 December 2012.
“Want to Live Longer? Breathe Clean Air” , Ecco un commento all’articolo sul New York Times, 10.12.2012, NICHOLAS BAKALAR :
… “What this means is that even if particulate pollution has been declining in recent years at a slower rate, even if we have already done a lot of cleanup, still continuing to clean is important,” said the senior author, Francesca Dominici , a professor of biostatistics at the Harvard School of Public Health. “Our paper is strong evidence that additional investment in cleaning the air is beneficial.”
http://well.blogs.nytimes.com/2012/12/10/want-to-live-longer-breathe-clean-air/?partner=rss&emc=rss