Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem. Pollution can take the form of chemical substances or energy such as noise, heat or light. Pollutants, the components of pollution
Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or cause damage to the natural environment or built environment, into the atmosphere.
Release of carbon dioxide into the atmosphere, this happens because of deforestation and fossil fuel burning. Sulfur dioxide is another air polluter and is released into the atmosphere by the burning of sulfur containing compounds of fossil fuels. Sulfur oxides are very dangerous to humans at a high concentration. Sulfur in the atmosphere is responsible for acid rain
Any change or modification in the physical, chemical and biological properties of water that has a detrimental consequence on living things is water pollution.
Waste products from factories Waste from sewage system Waste from power plants Waste from underground coalmines Waste from oil wells