This reading is talking about the benefits of clean air. Not letting people smoke in the public space-efficient cut the rank of people dead because of smoking the second-hand cigarettes. And the clean air did bring our body more benefits than we thought. it cut down the rank of death and getting the disease.
I feel we can do something to help our environment not only for other people but also for our families and ourselves. I feel it’s a great idea to abandon smoking cigarettes in public space as the first step to help.