Riding Bicycle, The Eco-Solution by Luthfiana Izzaturrohmah (11150014)

       Riding bicycle is one of the ways to save the world. Bicycle is a tradition vehicle which doesn't need any fuel or gasoline. It doesn't produce any smoke that can cause air pollution. The air will be clearer if the number of bicycle rider increases. Besides, the bicycle only offer simple materials such as metal for it's body and rubber for its tire, so it doesn't require much natural resource. That means we will save the world with an easy way: riding bicycle.