text: cars do not only stress out people but they are pulloting the earth. almost all cars run on gas which is put in the car and releases pullotion into the earth. paris had to enforce a partial driving ban to clear the air of pullotion.... that is how much damage it is doing to the earth. it took five days the smog finally rivaled beijing, china which is know as one of the most pullated cities in the world. this could have made people go to the hostiptal because they could have gotten sick or even die from the pullotion. many countries are banning cars for a couple of days each year because of this global problem. according to car-free day is spinning into a big hit in bogota in colombia they have a program that bans cars a for a day which leaves people to walk, hike or even bike to where they need to go. its a good way to take away stress and lower air pullotion said carlos arturo plaza.