关于how to help the earth的作文

It is very important to deal with the rubbish in cities.We should try our best to prevent rubbish from polluting the earth.
For one thing,rubbish may cause a lot of pollution.It may pollute the air,the water and the places we live in.For another thing,it may do harm to people's health.
So in our city,rubbish is well dealt with.Fiest it is sorted.The old newspapers and glass are recycled.The harmful wastes are buried and waste water is cleaned before it goes into the river.The government has already made laws against pollutoin ccused by rubbish.
But that's not enough.We all must try our best to prevent rubbish from polluting the environment so ao to save our city and our living place.