The burning of fossil fuels such as coal, gasoline and. Outdoor air pollution was responsible for 6,20,000 deaths in 2010. Secondary pollutants, like smog for example, are the result of primary pollutants intermingling with the already existing particles in the atmosphere. Everything from smoking cigarettes to burning fossil fuels tarnishes the air you breathe and causes health problems as minor as a headache to as harmful as respiratory, lung and heart disease. This paper provides the insight view about the affects of environment pollution in the perspective of air pollution, water and land soil waste pollution on human by diseases and problems, animals and trees plants. Pdf air pollution as a significant cause of diseases and. Historically, the main air pollution problem in both developed and rapidly industrialising countries has typically been high levels of smoke and sulphur dioxide emitted following the combustion of sulphurcontaining fossil fuels such as coal. Nor is it a secret that diesel engines are the main culprit. Its no secret that london has an air pollution problem by some measures its among the worst in the world, responsible for 9,500 premature deaths every year. Clean air is vital to sustain the delicate balance of life on earth. Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as. Nov 28, 2014 environmental pollution causes, effects and control measures prepared by m.
Without any further ado, lets get into some specific causes of air pollution. Pdf air pollution occurs when gases, dust particles, fumes or smoke or odour are introduced into the atmosphere in a way that makes it. Since industrial emissions are one of the major causes of air pollution, the pollutants can be controlled or treated at the source itself to reduce its effects. Exhaust gas from power plants and factories is one of the main. Keep reading to learn more about the different types of air pollution, their effects, and possible ways to control them. Environmental pollution is any discharge of material or energy into water, land, or air that causes or may cause acute shortterm or chronic longterm detriment to the. But if you are concerned about air pollution, there is a free and easy to use service that allows you to check levels in your area.
The main objective of this report is to present information about atmospheric deposition of pollutants. Dec 14, 2016 primary pollutants, such as sulfur dioxide, are ones directly released into the atmosphere. What are the causes of air pollution pollutant description and main uk sources potential effects on healthenvironment particulate matter pmpm 10 and pm 2. Air pollution reduces the economic value of crops and leads to expensive cleaning of cultural heritage.
In addition to air pollution, this industry also causes impairment to the health of the workers, and is classified as a unit carrying on hazardous process. Human activity is responsible for most of the worlds air pollution, both indoors and outdoors. Emissions from motor vehicles are the main source of lead in air. Air pollution may result in negative effects such as global warming, respiratory and heart complications, acid rain, destruction of the ozone layer and destruction of natural habitats. At present 56% o f classi cities and 87% of class ii towns do not possess sewerage facilities. Air pollution and its control measures 447 the other choice for an electric utility can be the use of natural gas as a fuel. Air pollution occurs when certain gases and particles build up in the atmosphere to such levels that they can cause harm to our health, causing breathing and respiratory problems, and even resulting in premature death, as well as damaging the environment around us. No 2 also enhances the response to allergens in sensitive individuals. The causes of air pollution in budapest, sofia and zagreb were analysed.
Sources of outdoor air pollution may be quite different in rural and urban settings. Explain the way in which a thermal inversion traps air pollution. Increased mortality in these groups occurs within 1 to 5 days. Environmental protection agency sets and enforces air quality standards only for ambient air.
No 2 is associated with adverse effects on human health. Apr 03, 2020 air pollution has multiple sources, including natural as well as manmade sources. Air pollution today has lead cdcs fight against environmental related respiratory illness, including asthma. The air is certainly a lot cleaner today than in the days of the smogs of the 1950s, when factory chimneys belched out smoke and nearly everyone had a coal fire. Definition pollution is the effect of undesirable changes in our surroundings that have harmful effects on plants, animals and human beings. N polytechnic college, virudhunagar tamil nadu india 2.
Road traffic has become the first source of air pollution in urban areas. The present lecture note on air pollution is therefore, prepared. Since they are regularly used products, they also qualify as major causes of air pollution as they release toxic particles and chemical gases into the atmosphere. Long term exposure may affect lung function and respiratory symptoms.
The presence of h2o is one of the main prerequisites for the existence of life on earth. Radioactive fallout causes air pollution from the nuclear energy dispersed, which is a dust. Air pollution is unclean, unsafe and unhealthy atmosphere causing various harmful diseases and conditions. Climate change also increases the production of allergenic air pollutants including mold thanks to damp conditions caused by extreme weather and increased flooding.
Pollution 6 there are other causes of air pollution, but humans and ecosystems are greatly affected by means of transportation and manufacturing plants. The presence of one or more contaminants like dust, smoke, mist and odor in the atmosphere which are injurious to human beings, plants and animals. Fuel switching based on meteorological conditions or air pollution forecasts have been used to prevent air pollution problem in many areas. Its effects can range from higher disease risks to rising temperatures. Sources of air pollution european environment agency. The contribution of each source to local pollution will vary according to the type and number of local industrial processes, density and age of road transport and local weather conditions.
But on the day that the high court ruled that the governments plans to tackle. Air pollution is a mixture of solid particles and gases in the air. Air pollution is the contagion of earths atmosphere threatening the survival of plants, animals and humans. Definitions and classifications used in the study of air pollution are introduced. Air pollution contributes to climate change, hence air pollution. Environmental pollution is any discharge of material or energy into water, land, or air that causes or may cause acute shortterm or chronic longterm detriment to the earths ecological balance or that lowers the quality of life. The majority of people only perceive air pollution as a consequence of human actions. Assessment and control of indoor air pollution, pp. The main air pollution indica tors are so2, nox, pm, co.
Environment pollution is a widereaching problem and it is likely to influence the health of human populations is great. A longer exposure to radioactive radiations can damage the dna cells that results in cancer, genetic defects for the generations to come and even death. Also introduced are a brief history of air pollution. Natural pollution volcanic eruptions, forest fires, biological decay. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Effects of nuclear pollution the effects vary from organism to organism and from level of radioactivity of nuclear isotopes.
Apr 20, 2016 sources of air pollution this section summarises the main sources of air pollution today. Jan 24, 2017 pollution causes nearly 9500 deaths in london every year, and according to a 2014 who report, air pollution in 2012 resulted in the death of around 7 million people around the world. Air pollution facts, causes and the effects of pollutants. Air pollution is among the leading causes of death in india the global burden of disease report has ranked outdoor air pollution as the fifth leading cause of death in india and indoor air pollution as the third leading cause. Smog forms when the weather is warmer and theres more ultraviolet radiation.
Some of the main causes of pollution include industrial emissions, poor disposal of wastes, mining, deforestation, use of fossil fuels and agricultural activities. The radiations destroy the cells in human body and causes cancer. In some cases, natural events can as well cause air pollution. Factories, office buildings, homes and powergenerating stations burn fossil fuels, which cause air pollution. Environmental pollution, types, causes, impact and.
Air pollution threatens the health of humans and other living beings in our planet. Air pollution is an undesirable change in the physical, chemical or biological characteristics of air. It creates smog and acid rain, causes cancer and respiratory diseases, reduces the ozone layer atmosphere and contributes to global warming. Worlds supplies are about 86 million cubic kilometres which are unevenly partitioned onto the separate continents. A large number of combustion products originate from various different sources. Groundlevel ozone forms when the ultraviolet rays of the sun causes emissions from cars, trucks, and natural sources to react with oxygen in the atmosphere. Pdf environmental pollution causes and consequences. Ambient air pollution levels in urban areas increased substantially in the last decades.
The service reports levels of the five main air pollutants that can cause immediate health effects, against a numerical index as. When looking at research completed about the environmental and social implications of air pollution, one can find numerous aspects such as the effects on ozone, human health, and ecosystems. Environmental pollution, types, causes, impact and management. For example, if the reactions of a certain raw material yield a pollutant, then the raw materials can be substituted with other less polluting materials. Environmental pollution causes, effects and control measures. Air pollution reduces plant biodiversity and affects other ecosystem services, such as clean water, recreational activities and carbon storage. Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors. According to the world energy outlook and the iea estimate that death due to household air pollution in. At high levels no 2 causes inflammation of the airways. Impacts of air pollution on human health, ecosystems and. Carbon is quite toxic and causes a negative effect to the environment. Environmental protection agency, office of air and radiation. Thus, irritation caused by air pollution that would produce only a slight response in. To introduce students to the problems of air pollution, especially to the aspects related to industrial activity.
Download a detailed list of the above pollutants what are the causes of air pollution pdf 9kb. No2 is the main source of nitrate aerosols car exhausts in the. Study finds that these kinds of pollutions are not only seriously affecting the human by diseases and problems but also the animals and trees plants. In this industrial age, air pollution cannot be eliminated completely. Mortality attributable to exposure to air pollution occurs mainly in individuals who suffer from cardiac andor respiratory diseases. Consequences of air pollution co 2 is a good transmitter of sunlight, but it also partially restricts infrared radiation going back from the earth into space, which produces the so. Air pollution is caused by a wide variety of things. Report to congress on indoor air quality, volume ii. Another type of air pollution is then worsened by that increased heat. Air pollution definition, causes, effects and control. The main sources of gaseous pollutants are large combustion plants and. Both causes of death are associated with exposure mainly to pm, ozone and sulphates.
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