The document discusses different types of environment and environmental pollution. It divides environment into two types: physical/natural environment which includes Earth's location, structure, climate, soil and natural vegetation; and cultural/man-made environment which includes industries, transportation, population, traditions and political situations. It then outlines several direct and indirect human activities that damage the environment and cause different types of pollution like air, water, soil and sound pollution. Environmental pollution has become a major issue affecting human health and development.