can make that a problem. A new study from the University of British Colombia found that

more than 5.5 million people will die prematurely each year because of air pollution. More than

half the deaths will occur in China and India, two of the fastest growing economies. Air

pollution is a mixture of fine particles, gases, ozone, tobacco smoke and other substances,

according to the National Institute of Environmental Health Sciences. Heart disease, asthma and

other lung diseases have been linked to air pollution. lead study author said in a press

relearse quote "Air pollution is the fourth highest risk factor for death globally and

by far the leading environmental risk factor for disease. Reducing air pollution is an

incredibly efficient way to improve the health of a population." The new study was presented

at the 2016 annual meeting of the American Association for the Advancement of Science.