Noun
the washing away of soil by the flow of water
Source: WordNetThe Badlands were extensive. Ancient bomb craters and soil erosion joined hands here; man's talent for war, coupled with his inability to manage forested land, had produced thousands of square miles of temperate purgatory, where nothing moved but dust. Brian Aldiss
But when you have bad governance, of course, these resources are destroyed: The forests are deforested, there is illegal logging, there is soil erosion. I got pulled deeper and deeper and saw how these issues become linked to governance, to corruption, to dictatorship. Wangari Maathai