英语作文 .Trees are important living things

As we all know,trees have many USES,human get many benefits as follows:first,trees provide us with wood and other products.Second,their roots can allow rainwater seeping into and keep the ping soil to avoid being washed away,so the trees can prevent droughts and floods.Trees also help us to purify air,beautify life.
Unfortunately,today in many parts of the world people don't realize the importance of trees.They unplanned,a large number of cut down trees,so that the soil is destroyed,they don't know where that no trees,the rain washed away by the soil surface,lead to flooding.
We should be more trees and take good care of young trees,don't let the forest slowly disappear,only in this way can make the forest serve man foreve