Trees are human's good friends, many trees.
Forests can uniform wind, water, drought disaster, actually such ability than the forest, some fairies.
The forest is natural "reservoir". It can water conservation, water and soil conservation sand-fixation,. The forest is "purifier. It can absorb poison, purify air. The forest is "ir-conditioner". Compared with a nearby building area of low temperature, humidity, elephants, high air cooler. The forest is "the muffler. In the forest, there is no noise street trees zone. The forest is "vacuum". Pine tree, as many trees are very good aspiration, filtering ability. The forest is "sterilizer." Due to the trees can secrete strong sterilization, can kill many kinds of bacteria, therefore, the bacterium in air, especially small forest. Fresh air in the air, forests, anionic content here climate comfortable, be helpful for people's health and longevity. The forest is "green". Wood is a raw material, the comprehensive utilization of forest, can put it into chemicals, fertilizers and animal feed. Trees, widely used in industry, agriculture, national defense, the people's life without it. The forest is birds perched breeding, forest protection to protect the ecological balance.
Therefore, in order to protect the ecological balance, we should conscientiously forest protection, building forest, many trees.
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