How to keep enviroment clean ‏

It's agood chance to write about how to keep the enviroment clean to show its importance in our life.First is all,keeping the enviroment clean is the responsibility of every citizen.It protects us from serious diseases.On one hand,massmedia must increase people's awareness about the importance of keeping our enviroment clean.On the other hand,government must pass laws to punish people who pollute the enviroment.Moreover,parents at home and teacher at schools must teach young people how to keep the enviroment clean.I think it is the time for both the government and the people to work together to keep the enviroment clean.People must increase the green areas on the streets,roads and squares