a new report — by the energy policy institute of chicago — says that living in an area with poor air quality can take an average of two point two years off live expectancy, making it one of the greatest external risks to human health. here's how researchers say air pollution harms human health. the average person on the planet is using about two years of life expectancy and as you mention, that is highly unequal. there are parts of the world, the degree in africa and asia where it can be five or six years of life expectancy and on average, it is as bad as you mentioned, smoking across the entire planet. i mentioned, smoking across the entire lanet. ., ., ~ mentioned, smoking across the entire lanet. ., ., ., , mentioned, smoking across the entire lanet. ., ., ., planet. i looked at a graph earlier where asia _ planet. i looked at a graph earlier where asia was _ planet. i looked at a graph earlier where asia was right _ planet. i looked at a graph earlier where asia was right at _ planet. i looked at a graph earlier where asia was right at the - planet. i looked at a graph earlier where asia was right at the top i planet. i looked at a graph earlier where asia was right at the top in j where asia was right at the top in the united states, europe, canada, right at the very bottom, yellow, and we see that kind disparity. we are just looking about graft right now on our screen, just the