¥Overplowing, overgrazing, and deforestation make soil vulnerable
to wind and water erosion
¥Roughly 1/3 of the worldÕs cropland is now losing topsoil faster
than it can be re-formed
¥Topsoil loss reduces productivity, eventually leading farmers and
herders to abandon their land
¥Countries such as Lesotho, Haiti, Mongolia, and North Korea are
losing the ability to feed themselves
