text: To expand on the theory that a car-free cities are a lot better for the environment, we can say they preserve lands and cause stress levels to be reduced. In the first article, "In German Suburb, Life Goes on Without Cars", Heidrun Walter is quoted explaioning that he is "much happier" without a car in his life. He also states that when he did have a car, he was "alway tense". This seems to show stress levels going down, but that is only one example. In addition to stress levels, land preservation was also brought up. It is stated that without cars, roads and suburbs would be nicer and better for walking. Without cars, cities are also considered denser. Researchers are trying to conduct an experiment with a no car city and see how different and "better" life would be, to get more facts about it.