text: Some people don't understand the severity of pollution and how much cars contribute to that. Pollution is said to become Earths demise, whith cars producing and letting out so much smog, it seems as if the Earths demise could be near. According to Robert Duffer, Paris has "enfored a partial driving ban to clear the air of the global city." This evidence of Paris giving a partial ban shows how detrimental cars can have on Earth environment. Further examination reveals, a situtation where Bogota has even issued a " car-free day" stated by Andrew Selsky. This source shows us that with even one day without using a car could be a useful plan for all places. People of today don't need to not use their cars, just use their cars either less per day or per week.