text: To start off, car usage is very bad for our environment. The number one cause of air pollution in the U.S. is transportation. So, if we found a cleaner and more environmentally-friendly way of transportation that help a lot. One way would be to reduce car usage. It would be much better if once or twice a week people would ride their bike or walk to work or where ever they are going. I understand that some people live to far away from where ever they are going to ride a bike or walk ,but if you carpool with people who are also going to the same place you save on gas money and you will also be helping the environment.