Life Expectancy Increased Only 0.5% With US Air Cleanup in 80s & 90s.
A study of the change in life expectancy in the USA in concludes that the change in air cleanliness has increased life expectancy by 21 weeks or significantly less than half a year. The question is, with today’s life expectancy of 78 years, what kind of return on investment is this over and above than the sheer beauty of clean air!
