aspects. In the first place, in this world, too many people take it for granted that we can freely take anything we need from environment. But if we couldn’t stop excessive development, the earth would become nothing, including water shortage and air pollution [得分点： 虚拟语气]. In the second place, in such a competitive information age, natural resources are always limited. We have to change our minds in order to obey natural laws and regulations. In terms of protecting our earth,[口诀：扩展状语] giving up today just means taking more tomorrow.
The earlier we begin to protect our earth, the more likely we can obtain from the earth. In the future, the earth will have fresh air, clean water and bright sun-shines again. What we can do is to implement our slogan “please protect our own world because we have only one” . |
