Short- and longterm pollution of soil by anthropogenic activities - mining, agricultural acitivities, transport etc. Natural decontamination and detoxification. Survey of methods of purification, decontamination and remediation. Physical methods (evaporation, extraction, washing-out). Soil protection with the position of legislative requirements. Long-term and short-term soil pollution through anthropogenic activities - mining, agricultural activities, industry, etc. Natural detoxification and decontamination. Basic methods of cleaning, decontamination and remediation. Physical methods (evaporation, extraction, scrubbing). Mechanical methods (removal of contamined layer), chemical, biochemical, biotechnological and microbiological remediation. Specific methods according to contaminants, objects, geological (including hydrogeological) and geographical conditions, equipment, work safety and environment protection.