Soils around the world are experiencing unprecedented rates of degradation through a variety of human actions that include deforestation, intensive agricultural production systems, overgrazing, excessive application of agricultural chemicals, erosion and similar things.
Tla širom svijeta gube  kvalitetu kao nikad prije, zbog različitih ljudskih aktivnosti koje uključuju uništavanje šuma, intenzivnu poljoprivredu, pretjeranu ispašu, pretjerano korištenje  poljoprivrednih kemikalija, eroziju i druge probleme.