by TreeHugger
Grain Production Falling as Soil Erosion Continues
12:44 pm in cropland, earth policy institute, Food & Health, food supply, grain, grain production, haiti, lesotho, mongolia, north korea, soil erosion, Travel & Nature by TreeHugger
Photo Credit: Mark Fischer/Creative Commons
The thin layer of topsoil that covers much of the earth's land surface is the foundation of civilization. As long as soil erosion on cropland does not exceed new soil formation, all is well. But once it does, it leads to falling soil fertility and eventually to land abandonment. As countries lose their topsoil through Read the full story on TreeHugger
