Air Pollution Essay 24

What argon the make and sources of institutionalize pollution Assignment III Rachita Mittal Western field(prenominal) University SCI 270 Mrs. Saudamani Sharma Introduction Air pollution is the introduction of chemicals, particulate matter, or biologic materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into the atmosphere. The atmosphere is a complex, high-octane natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to assembly line pollution has long been recognized as a threat to human health as well as to the Earths ecosystems.History Humans probably first experienced harm from nisus pollution when they built fires in poorly ventilated caves. Since then we construct gone on to pollute more of the earths surface. Until recently, environmental pollution problems live been local and insignifi keept because of the Earths own ability to absorb and purify min or quantities of pollutants. The industrialization of society, the introduction of motorized vehicles, and the explosion of the population, are factors contributing toward the ontogenesis cable pollution problem. At this epoch it is urgent that we find methods to modify up the breed.The primary striving pollutants found in most urban areas are carbon monoxide, atomic number 7 oxides, sulfur oxides, hydrocarbons, and particulate matter (both inviolable and liquid). These pollutants are dispersed throughout the worlds atmosphere in concentrations high tolerable to gradually cause serious health problems. Serious health problems can occur quickly when air pollutants are concentrated, such as when enormous injections of sulfur dioxide and suspended particulate matter are blow overted by a large volcanic eruption. Air Pollution in the HomeYou cannot break air pollution, not even in your own home. In 1985 the environmental Protection Agency (EPA) reported that toxic chemicals found in the air of almost every American home are three times more likely to cause some type of cancer than outside air pollutants. (Miller 488) The health problems in these buildings are called sick building syndrome. An estimated one-fifth to one-third of all U. S. buildings are now considered sick. (Miller 489) The EPA has found that the air in some office buildings is 100 times more bemire than the air outside.Poor ventilation causes about half of the indoor air pollution problems. The rest come from specific sources such as copy machines, electrical and telephone cables, mold and microbe-harboring air conditioning systems and ducts, cleaning fluids, seat smoke, carpet, latex caulk and paint, vinyl molding, linoleum tile, and building materials and furniture that emit air pollutants such as formaldehyde. A major indoor air pollutant is radon-222, a color little, odorless, tasteless, naturally occurring radioactive gas offerd by the radioactive putrefy of uranium-238. Acco rding to studies by the EPA and the National Research Council, exposure to radon is warrant only to smoking as a cause of lung cancer. (Miller 489) atomic number 86 enters through pores and cracks in concrete when indoor air pressure is less than the pressure of gasses in the soil. Indoor air will be fitter than outdoor air if you use an energy recovery ventilator to offer a consistent supply of fresh filtered air and then shut air leaks in the shell of your home.Air pollution has unhealthy cause on people, animals and plant-life across the globe. Every time we inhale, we carry dangerous air pollutants into our bodies. These pollutants can cause short-term effects such as shopping mall and throat irritation. More alarming, however, are the long effects such as cancer and damage to the bodys immune, neurological, reproductive and respiratory systems. Acid Rain is a significant air pollution problem that affects rural, suburban and urban areas that are down-wind of major industr ial areas.Acid rain is caused when sulfur and nitrogen pollution from industrial smokestacks is combined with moisture in the atmosphere. The resulting rain is acidic which destroys natural ecosystems ands buildings. Global Warming, as pollution gathers in the Earths atmosphere, it traps heat and causes average temperatures to rise. It is warm to predict exactly how climate change will affect a particular area. Here are a few likely results A rise in sea level between 3. 5 and 34. 6 in. 9-88cm) leading to more coastal erosion, flooding during storms and permanent inundation blunt stress on many forests, wetlands, alpine regions, and other natural ecosystems greater threats to human health as mosquitoes and other disease-carrying insects and rodents spread diseases over big geographical regions Disruption of agriculture in some parts of the world due to increased temperature, water stress and sea-level rise in low-lying areas such as Bangladesh or the Mississippi River delta. Sources and health effects of air pollution Pollutants Sources Health Effects Nitrogen dioxide All conflagration processes (for role model road vehicles General irritation to air passages including increased and domestic heating) produce oxides of nitrogen (NOx)chance of respiratory infection and impaired lung which particularly in the presence of ozone is function. converted into nitrogen dioxide. Primary Road traffic (for ensample diesel engines, brake and Respiratory and cardiovascular problems. Concerns Particulates tyre wear) industrial sources (for example power about long-term effects. stations). Secondary Formed through the oxidisation (presence of ozone) of Respiratory and cardiovascular problems.Concerns Particulates (e. g. particular gases (for example sulphur dioxide, about long-term effects. sulphates, nitrates) nitrogen dioxide) in the atmosphere condensing to form fine particles. light speed monoxide Road transport and assiduity (all co mbustion of carbon Reduces the oxygen carrying content of blood and at based fuels). low levels reduces concentration and at higher(prenominal) levels causes headaches, nausea, dizziness. At very high levels it can lead to death. Sulphur dioxide conflagration of fossil fuels (mainly coal and heavy Causes breathing difficulties, and irritation of the oils). eyes, nose, throat and lungs. sight suffering from asthma are particularly susceptible. Lead Petrol and industry (such as smelting, and paint Can effect the intellectual development of children, works). and at very high doses poisoning, brain and organ damage can occur. benzene Combustion and distribution of petrol. motion-picture show over a long time can lead to cancer. 1, 3 Butadiene Combustion of petrol and diesel, and the production ofExposure over a long time can lead to cancer. base hit for tyres. Ozone Ozone is a photochemical pollutant which means it is Exposure can cause an spikelet effect o n the lungs, primarily formed by the reactions of other pollutants airway inflammation and short term respiratory such as nitrogen oxides in the presence of sunlight. symptoms.