The document discusses whether people live in a pure environment and identifies various threats to air, water, and soil quality. It notes issues like smog formation, industrial pollution, and vehicle exhaust that deteriorate air quality. Water quality is threatened by dumping of solid wastes, industrial effluents, and sand mining. Soil is impacted by dumping of solid waste, pesticide use in agriculture, and other factors. The document raises concerns about how these environmental problems affect human health and longevity.