Desertification is the process by which relatively dry land becomes increasingly arid, losing its fertility and biodiversity. It is a gradual process that can take centuries or even millennia.
There are many causes of desertification, both natural and human-made. Natural causes include climate change, drought, and wind erosion. Human-made causes include overgrazing, deforestation, and unsustainable irrigation practices.
Desertification has a number of negative consequences, including soil erosion, loss of biodiversity, and food insecurity. It can also lead to mass displacement of people, as their land becomes unproductive.
Desertification is a serious problem that affects millions of people around the world. However, there are a number of things that can be done to combat it. These include sustainable land management practices, such as crop rotation and tree planting. It is also important to address the root causes of desertification, such as climate change and poverty.