2019-03-04 16:06:23 来源：网络专四专八资料下载
As the technology and economic is developing, the environment problem is becoming a severe problem, and the people are seriously affected.
The sustained damage to the environment has caused a serious problem, such as air pollution, sand storm, extraordinary weather, and diseases etc., people suffer from what they have done to the environment.
However. People have realized that it will be too late if they don’t do anything to prevent things from getting worse. For example, there is an “Earth Hour” on a Saturday of March of each year. It is a global movement, usually it lasts from 8:30pm to 9:30pm. It is also called “Light-off for One Hour”. During this hour, all the light will be turned off. The purpose of this movement is not only to save energy, but also to warn the people to realize the importance of protecting the mother earth, and to stop violating the environment.
Anyway, people and the environment have to keep a balance relationship. People take from the environment, and have to protect it too.