text: Less polution is great especially with all of the machines running now adays. polution causes holes to from in the atmosphere, the atmosphere is what hoilds in the air we breath. The atmosphere also plays a much larger role in our way of life. Ever heard of the word global warmming? Well itws because the earths outside temerature is hotter then what it should be, because there are holes in the ozone layer. The ozone layer is like insulation in your house it keep cold air in on hot summer days. most polution comes from cars alone just because they are used so much byt everyone.