Pollution by Riska Arisna (11150020)

     There are so many ways to decrease pollution in our country, and we can start from ourself. By doing the following simple things. We should plant tree. It's very usefull for the future, because the tree will absorb pollution, especially in the city. The tree will change Carbon dioxide to be Oxygen. It's very useful for human and animal to breath. Besides, our environment will be cold and shady. If we want to go somewhere, we can use public transportation. We should reduce using our private transportation because it will help to decrease pollution. So, we can decrease pollution by doing simple ways and get a lot of advantage from these.