"It's a good oppurtunity to take away stress and lower air pollution," stated in

Car-free day is spinning into a big hit in Bogota.

Using means of transportation other than cars, such as walking or biking can release stress and help lower air pollution.

In German Suburb, Life Goes On Without Cars states ""When i had a car I was always tense. Im much happier this way," said Heidrun Walter, a media trainer and mother of two, as she walked the verdant streets where the swish of bicycles and the chatter of wandering children drown out the occasional distant motor." This walk allowed her to release stress- versus driving a car could make her more stressed and causes air pollution.

"After days of near-record pollution, Paris enforced a partial driving ban to clear the air of the global city;" from

Paris bans driving due to smog.

If less cars are being used, then there will be less air pollution and cleaner air.

By using other ways of transportation or limiting our use of cars, we can release stress and lower air pollution. Walking, biking, or carpooling are good ways to do so.