Pollution cuts life spans by 5.5 years in north China, study says
Tuesday, July 9, 2013 - 00:00
in Earth & Climate
An examination of 20 years of data from across China finds that heavy air pollution is to blame for the drop in life expectancy in the north.BEIJING — Life expectancy is 5.5 years lower in northern China than in the south because of heavy air pollution, a new study examining 20 years of data has determined.