The size of the city enlarges from day to day because there are many people live there. There are also many people move from the countryside to find jobs or do their own business too. When the government makes the city become bigger than before, they need more land to establish new building and public garden to serve people live there. They need land that locates near the town because it is easy to manage and support. Therefore, they need to cut down the trees that are on land to get the land. This is one factor that causes deforestation.
One more thing, people need to food to eat every day. The amount of people in the world also goes up quickly. So, the demand of food also increases significantly to carry the big number of the people. The present farm land can not produce enough food for citizen on the earth today. This is only one choice is to expand the farm land. The trees need to chop down because we need more land to do farming. The trees cut down almost everyday to get the land. The trees decrease every year. This is the reason that the trees become less than the past time.
What is more, we use many products that are made form the trees. The industrial sector use lots of trees to produce things for us. For example, furniture that we use in our house today such as us table, chair, sofa, and so on make from the trees. Some house make from the tree one hundred percent, especially in the developing countries. In addition to this, the paper that we use today also make from the tree as well. The demand of the paper also increases dramatically because many places need to use it record their work. Every person use paper, at least they use book that is one product come from the trees.
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