The document discusses land usage and pollution. It defines land use as human usage of land and how land management practices impact natural resources. Urban land refers to land used for housing, businesses, industry and roads, while rural land has fewer people and more open spaces. Land pollution occurs when waste is improperly disposed of in landfills or littered, and can contaminate soil, groundwater and air. The document also outlines various land usage types like cropland, forests and rangeland. It proposes solutions for land pollution such as proper waste disposal, recycling, composting and reducing litter.