text: In paris after near-record pollution they enforced a partial driving ban to clear the air of the global city. On monday even-numbered license plates were ordered to leave there cars at home of the would have to pay $31. they did the same for the odd-numbered plates the followinf day. Almost 4,000 people were fined. One good thing though is that congestion was down 60 percent in the capital france, after 5 days of intenssifying smog. Paris typically has more smog than other european capitals. In Bogota, Colombia millions of colombians hiked, biked, skated, or took buses to work during a car free day. The goal was to promote alternative transportation and reduce smog. Carlos Arturo Plaza a businessman said "it was a good opportunity to take away stress and lower air pollution." He was riding a two-seat bike with his wife.