Deforestation is an example of a Global Impact. Forests are cleared to meet demands of increasing human population. With modern technology, forests are being cleared at a much faster rate than they can be replaced.

There are many reasons why people cut down trees. Some of the reasons are explained below. Many trees have been cut down to make way for urban development. Land has to be cleared for building houses, roads, factories and many more buildings. Land is also cleared for cultivation purposes as land is needed to grow crops. Land is cleared for grazing purposes as large open grasslands have to be provided for grazing by cattle, sheep, horses and other animals. Deforestation also occurs to obtain timber. Timber (wood) is needed for construction and furniture making, paper industry and fuel as firewood. Deforestation occurs to obtain fibers from plants. Plants are...