Desertification occurs when an area doesn't get enough rainfall for a prolonged period.
While desertification can be natural, rapid desertification is likely a result of human activity that has changed the biological productivity of an area.
Environmental problems on land encompass GMO (Genetically Modified Organism) crops and animals, deforestation and desertification, to name a few.
desertification caused by overuse of marginal land.
desertification convention process.