http://news.bbcnewsd73hkzno2ini43t4gblxvycyac5aw4gnv7t2rccijh7745uqd.onion/2/hi/science/nature/4508503.stm
But changes in farming, land use and climate are threatening the health of soil in many areas," Arwyn Jones, research scientist at the Joint Research Centre, told the Financial Times newspaper. "As the atlas points out, we owe our existence to a thin layer of topsoil and the fact that it rains."