求英文的有关环境保护的开头语和结尾语

beginning：Do you know our earth is polluted terribly?The fish is losing their home becuase of our action,and the wide grassland is turning into the desert without the lives little by little.
end:Do you hear the cry from the nature?The earth is ou home,what you are doing is just damage our home.

开头：
As we all know, we live on the earth and the earth is the only home of us human beings so far. We make use of all kinds of resources from the earth. That is, we rely on the resources available and thrive on our environment.
结尾：
In a word, all the resources come from the environment is the essence of our living. It is imperative for us to protect the environment before it is too late. In modern society, people should learn to live in harmony with the environment.

开头: Nowadays, the environment becomes worse and worse. the sky turns grey. the water becomes dirtier. lives become less and less. While we are still polluting.
结尾: we must protect our environme