Land degradation is one of the major environmental issues of the 21 st century, caused mainly by overgrazing, agricultural practices and deforestation that often lead to soil erosion.
Landeyðing er eitt af stærstu umhverfisvandamálum 21. aldarinnar. Helstu drifkraftar landeyðingar eru ofbeit, landbúnaður og skógarhögg, sem getur orsakað jarðvegsrof.