1. The document discusses soil pollution and its management. It defines soil pollution as resulting in a change of soil quality that can affect the normal use of soil or endanger public health and the environment. 2. Soil pollution is caused by the presence of chemicals or other alterations to the natural soil environment. Common causes include excessive use of fertilizers and pesticides, solid waste dumping, and erosion from overgrazing or deforestation. 3. The effects of soil pollution include contaminants being washed away and accumulating elsewhere, evaporating and contributing to air pollution, or infiltrating groundwater supplies. The document outlines several strategies for controlling soil pollution, such as minimizing chemical usage and improving waste disposal methods.