Air pollution responsible for more than two million premature deaths worldwide annually . Another recent study published in the Proceedings of National Academy of Sciences highlighted air pollution problems in Northern China , suggesting life expectancy could have been lowered by five-and-a-half years . Study assesses impact of fine particles and dust using atmospheric climate models . East Africa worst affected region with over a million deaths per year . Study also found that climate change has n't a huge impact on levels of air pollution .
Air pollution responsible for more than two million premature deaths worldwide annually . Study assesses impact of fine particles and dust using atmospheric climate models . East Africa worst affected region with over a million deaths per year . Study also found that climate change has n't a huge impact on levels of air pollution .