Limiting car usages will cause a drop in the amount of pollution there is.  In source 2: Paris bans driving due to smog, on mondays, motorist with an even numbered license plate will have to leave their car home or have a 22 euro fine. The odd numbered plates would be the next day and so on.  Using this way of driving, it reduced the number of congestion in the capital city of France by 60 percent.

Some places in Germany are catching on and making a comunity free of cars.  Residents of VAUBAN, Germany like the way this community is set up. "When I had a car I was always tense.  I'm much happier this way," said Heidrun Walter.  All they hear is the swish of bicycles and the talk of children drowns out the occasioal distant motor.  Many places around this world is adopting this act.

In BOGOTA, Colombia a program started for a car-free-day.  Only buses and taxis are allowed to be driven.  "It's a good opportunity to take away stress and lower air pollution," said businessman Carlos Arturo Plaza as he rode a two-seat bicycle with his wife.  People who didn't participate suffered a 25 dollar fine.  Bogota made 118 miles of bike paths since the car-free-day.

By driving cars everywhere we are polluting mother earth.  We all need to get together and stop driving so much and this will help protect our Earth.