Nowadays transportation have become one of important things in our life. They can bring us or things from one place to another place. There are various vehicles such as planes, cars, ships, motorcycles, and bicycles. Unfortunately, some transportations use have become one of the causes of global warming due to the the fumes produce air pollutions. Bicycle using can be the solutions about global warming issue, they have more benefits for our bodies and surroundings. But today, less people do cycling and this essay will explain why this happened and the solutions about it.