POLLUTION DEFINITION OF POLLUTION Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy , such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. TYPES OF POLLUTION There are four types of Pollution: Air Pollution Water Pollution Noise Pollution Land Pollution AIR POLLUTION What is Atmosphere Atmosphere is the life blanket of Earth. It is therefore essential that we know more about the atmosphere and the ways in which it is Polluted. Air is considered safe when it contains no harmful dust and gases. Causes of Air Pollution Industries. Automobiles and Domestic fuels. High Proportion of undesirable gases, such as sulphur dioxide and carbon monoxide. Dust (e.g. cemen...