Air pollution is a significant problem in many parts of the world. According to the World Health Organization (WHO) 6.5 million deaths per year can be attributed to air pollution, much greater than the number who die from HIV/AIDS, tuberculosis and road injuries combined.
A number of enduring serious health conditions can also be attributed to poor air quality including respiratory conditions, lung cancer, heart disease, and even damage to the brain, nerves, liver, or kidneys.
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