text: With the purchase of a car comes the consequences to our only enviorment. In "In German Suburb, Life Goes On Without Cars", it is shown that "Passenger cars are responsible for 12% of greenhouse gas emissions in Europe... and up to 50% in some car-intesive areas in the United States". If we started to limit car usage these numbers could drop giving us cleaner air to breathe and a longer lasting enviorment. Some heavily populated cities such as Beijing, China are so polluted that there is a smog covering the entire city. The thick, grey cloud over Beijing is caused primarily by the greenhouse gas emissions from cars and various other pollution sources. Not only is Beijing to be held accountable but also cities in Europe such as Paris. From source 2, "Paris bans driving due to smog", it is said that "Paris typically has more smog than other European capitals", because of the over usage of diesel fuel vehicles Paris had to put a hault to motorists for a few days. If Parisians were not complient with the ban they were fined with 22.