text: In addition to, taking away stress. Limiting car usage will result in lower air pollution. According to Duffer, "Congestion was down 60 percent in the capital of France, after five-days of intensifying smog..." If we limit car usage, the levels of air pollution will dramatically decrease resulting in cleaner air and a healthy environment for us to live in. If we continue to use cars, we are further damaging the air that we breathe everyday and causing people to damage their lungs. Pollution often has chemicals that can harm our breathing and sometimes our lungs. As Americans it is our responsibility to take care of the earth and we are not doing so by constently using our cars.