Protecting the environment is very import. Students can raise their awareness by protecting their school environment. In order to keep the school clean, students should follow some following steps. Firstly, all rubbish must be thrown in the trash bins. They should not litter in the school campus. Secondly, more trees should be planted to make the school green. Every class should take turn water and take care of the trees. Thirdly, writing or drawing on the desks or walls must be abandoned. There should be specific punishments for those who violate the regulations. In short, the environment will surely be improved if all students are determined to protect it.