The author develops the key concept of deforestation by first stating the percentage of land on Earth covered by forests and the alarming rate at which this number is decreasing. They then provide two contrasting examples of natural loss of trees versus human-driven deforestation, illustrating that humans play a major role in the depletion of forests. The author further explains the reasons behind deforestation, including clearing land for agriculture and utilizing trees for various purposes. Finally, they emphasize the importance of forests for people, animals, and the environment, indicating that efforts should be made to halt deforestation.
New question: What are some potential economic benefits of deforestation, and how do they compare to the long-term consequences for people, animals, and the environment?