The earth is the only home for human beings,which unconditionally provides us with everything we need.Once it is destroyed,we will have no place to live in,so we ought to love it and treasure it just as we love and treasure our own home.
To protect the earth,our home,everyone need to make his own contribution.Governments should put forward laws to protect the environment; factories should apply to enviromentally-friendly technologies; and individuals should keep in mind what is good and what is bad for the environment in everyday life,and do what he or her can to reduce pollution or damage to the environment.
Now it is really high time we took measures to conservate the environment.And only when we join hands to make a difference on this matter can we maintain such a beautiful world.初中水平就可以了，还有回答问题哦