Afforestation refers to the process of sowing seeds or planting trees in an area that does not have trees to create a forest. Reforestation refers to planting trees in a land with a decreasing number of trees. In this article, our aim is to look at the importance of afforestation and its various advantages. Discover the key differences between afforestation and deforestation, their environmental impacts, and how they shape ecosystems and climate. Afforestation is the process of establishing a forest in an area where there was no forest before, or not for a long time, usually longer than fifty years ago. It involves planting trees in an area that was previously devoid of forest cover. Afforestation is the establishment of a forest or stand of trees in an area where there was no recent tree cover. [1] There are three types of afforestation : natural regeneration, agroforestry and tree plantations. [2]