text: When everyone in a big city such as Parris for example uses their own cars to go from place to place they put harmful gasses into the atmosphere. After a while of everyone driving in a big city like paris the gases and smog build up and polute the air. Parris is one of the cities trying to dramaticly cut down the use of cars and provide easy to use and affordable public transportation. Public transportation cuts down the amount of people on the road and positively impacts the enviorment and the air aroud the city.