text: To start with, not having a car helps the enviroment. "Passenger cars are responsible for 12 percent of greenhouse gass emissions in Europe ... and up to 50 percent in some car-intensive areas in th eUnited Stated." (In German Suburb, Life Goes On Without Cars, parragraph 5). Without cars the air will become cleaner and people won't have all the polution in the air. Our air will get better if we start not having cars.