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Sources of Air Pollution
This document discusses sources of air pollution. It identifies man-made and natural sources of air pollution. Man-made sources include stationary sources like factories and power plants, mobile sources like vehicles, as well as waste deposition and military resources. Natural sources include forest fires, volcanic eruptions, and dust storms. Several major air pollutants are also identified such as carbon monoxide, sulfur dioxide, nitrogen oxides, particulate matter, lead, and ground-level ozone which come from the combustion of fossil fuels, vehicles, and industrial processes. The conclusion states that air pollution caused around 7 million deaths worldwide in 2012 and can harm both human and environmental health.
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Sources of Air Pollution
- 1. SOURCES OF AIR POLLUTION Presentedby- Darakhshan Nigar
- 2. POLLUTION Introduction or presenceof harmful or poisonous substances in the natural environment is called Pollution.
- 3.
- 4. It is definedas the presence of certain substances in air in such concentration that they produce undesirable effects on humans and environment. AIR POLLUTION
- 5. SOURCES OF AIRPOLLUTION MAN-MADE NATURAL
- 6. MAN-MADE SOURCES STATIONARY SOURCES MOBILESOURCES CONTROLLED BURN FUMES WASTE DEPOSITION MILITARY RESOURCES
- 7. NATURAL SOURCES FOREST FIRE VOLCANICERUPTION DUST STORM
- 8. AIR POLLUTANTS Any solid,liquid or gaseous substance present in the air that can have adverse effects on humans and ecosystem.
- 9. CARBON MONOXIDE • Motorvehicles • Some industrial processes • Combustion of fuels
- 10. SULPHUR DIOXIDE • Heatand power generation facilities • Sulphuric acid plants • Burning of fossil fuels
- 11. NITROGEN OXIDES • Motorvehicles • Heat and power generation • Explosives • Fertilizer plants
- 12. PARTICULATE MATTER • Motorvehicle exhaust • Industrial processes • Heat and power generation • Volcanoes • Forest fires
- 13. LEAD • Motor vehicleexhaust • Battery plants • Lead smelters
- 14. GROUND LEVEL OZONE •Combustion of fossil fuels • Reaction of nitrogen oxides
- 15. CONCLUSION According to the2014 WHO report, air pollution in 2012 caused the deaths of around 7 million people worldwide. It may cause diseases, allergies or death in humans; it may also cause harm to other living organisms such as animals and food crops, and may damage the natural or built environment. Thus as far as possible these sources can be checked and prevent pollution.