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Air pollution claims 2mn lives every year : Study

india Updated: Jul 13, 2013 00:53 IST

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A recent study has revealed that over two million deaths occur each year globally as a direct result of human-caused outdoor air pollution.

The study conducted by the researchers from North Carolina University suggests that changing climate has a minimal effect and only accounts for a small proportion of current deaths related to air pollution.

According to the study, around 470,000 people die each year because of human-caused increases in ozone and around 2.1 million deaths are caused each year by human-caused increases in fine particulate matter (PM 2.5), which are tiny particles suspended in the air that can penetrate deep into the lungs, causing cancer and other respiratory disease.

Co-author of the study, Jason West, said the estimates make outdoor air pollution among the most important environmental risk factors for health and many of these deaths are estimated to occur in East Asia and South Asia, where population is high and air pollution is severe.