today and tomorrow
... and are unfavorable to the growth of other living things. This is the situation we are facing today and then what’s it like tomorrow? Birds can not live in the polluted areas; fish in rivers are becoming fewer and fewer, some trees are dying. As the balance of natural ecology has already been destroyed, disastrous consequences such as drought, flood and insect pest come along with it. Eventually there are people dying and plants and animals extincting from the earth. The environment is becoming worse as living conditions improving. Then what does environment mean to us? Environment means the land, water and atmosphere. Environment is the earth, the only planet and home for the human race. No one will doubt that we can never survive while the land, water and atmosphere are seriously polluted. As a song goes: “Where have all the flowers gone? Where have all the fields gone? Where have the forest gone? Where have the birds gone? Where have the fresh air and clean water gone? When we tried to find the answers to the questions, we can’t help fearing how serious damage we have done to the earth. Preserving the environment is of crucial importance to mankind today. We must take immediate measures to fight against pollution. Waste gases must be treated, water source...