text: More and more people have stopped getting cars/licenses and instead taking the city bus, walking or riding their bike. A study last year found that driving by young people decreased 23 percent between 2001 and 2009. If more people would continue to either car pool or find a different way to get where they're going the worlds pollution would definitely begin to go down. Without all of the pollution that comes out of cars and that gets trap into the air, our air would begin to get so much more cleaner and safer for us to breathe.