http://news.bbcnewsd73hkzno2ini43t4gblxvycyac5aw4gnv7t2rccijh7745uqd.onion/2/hi/science/nature/4508503.stm
The major threats to soil quality identified by the atlas are erosion, the overuse of fertilisers and pesticides, the loss of organic content, pollution from industry, the loss of biodiversity, salinity, the compacting of soil by agricultural vehicles, landslides and flooding.