text: The second and third source is about how a city took matter into their own hands and had a "car free day". In the cities of Paris and Columbia is where it took place. First the reasons why is because of near-record pollution of poulltion in the enviornment of Paris. Where on Columbia the reason for the car frre day was because they want to promote alternative transportation and smog. In Coulmbia this day has been going on three years straight!