Replace oil and air filters regularly, and keep your tires properly inflated. Fuel switching based on meteorological conditions or air pollution forecasts have been used to prevent air pollution problem in many areas. Article pdf available august 2017 with 123,893 reads how we measure reads a read is counted each time. Pdf causes, consequences and control of air pollution. Air pollution is the contagion of earths atmosphere threatening the survival of plants, animals and humans. 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. Searching for solutions to delhis air pollution problem. The present lecture note on air pollution is therefore, prepared to be used as. Also introduced are a brief history of air pollution. Ultrafine, airborne pollutants caused primarily by smoke and fumes can more easily enter and irritate childrens lungs, causing and.
It can cause, complicate, or exacerbate many adverse health conditions. Explain the way in which a thermal inversion traps air pollution. Walking, bicycling, riding the bus, or working from home can save you money as well as reducing air pollution. Noise pollution is commonly generated inside many industrial facilities and some other workplaces, but it also comes from highway, railway, and airplane traffic and from construction activities.
This leads to pollution of air, water, soil, and oceans. The weight of an air contaminant in a cubic meter of air 3mgm and the volume ratio ppm v, or just ppm are normally used. Sources of pollution may be point sources, which are easily identified, or nonpoint sources, where the pollution comes from diffuse sources that are not easy to pinpoint. Clean air for sale in china was the title of one of many recent news articles describing a doubledigit growth in the sale of air purifiers in china. Air pollution reduces the economic value of crops and leads to expensive cleaning of cultural heritage. Download environmental pollution pdf in hindi and english for upsc. Pdf study material on air pollution for graduate students. Children living near diesel trucking routes are more likely to have decreased lung function, bronchitis and allergies. Nov 04, 20 air pollution causes, effects and control measures air pollution air pollution may be defined as the presence of one or more contaminants like dust, mist, smoke and colour in the atmosphere that are injurious human beings, plants and animals. Air pollution a simple introduction to its causes and effects. Causes, effects and solutions to environmental pollution. While pollution usually increases after midoctober, the sources of pollution remain the same, she said. Sources of air pollution include gases such as ammonia, carbon monoxide, sulfur dioxide. The troposphere is the layer that contains most of our air pollutants ii stratosphere is the layer between the troposphere and approximately 50km.
Oct 23, 2019 she said pollution from stubble burning in punjab and haryana contributes only about 57 per cent to delhis pollution load, but this could go up if there is wind blowing down from the north. Various research have proven the connection of air quality and human. Air pollution can harm human health, the environment, and cause property damage. Broadly, environmental pollution consists of six basic types of pollution, i. 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.
Understanding uncertainties in emissions inventory image. 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. 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. Noise pollution, unwanted or excessive sound that can have deleterious effects on human health and environmental quality.
The true dangers of seoul air pollution seoulinspired. Its effects can range from higher disease risks to rising temperatures. A poorly maintained engine both creates more air pollution and uses more fuel. Pdf air pollution sources, pollutants and mitigation measures. An amount which can be detrimental to health over time. Pdf air pollution is a global issue, it is a growing challenge since the. Nov, 2019 aqi air quality index rates air quality on a 0500 scale. Looking into these will help you identify the causes and what steps you can take to mitigate those effects.
This leads to poor vehicle mileage and more emissions. Air pollution threatens the health of humans and other living beings in our planet. Pm is made up of a wide range of materials and arise from a variety of sources. Because we have given more than 30 ppt in one place. Air pollution is the presence of one or more disadvantageous content in such quantity and for such duration, as it is catastrophic, or tend to be catastrophic, to human health and welfare, animal or plant life. Types, sources, effects, control of radiation pollution. 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 socalled greenhouse effect that prevents a drastic. It creates smog and acid rain, causes cancer and respiratory diseases, reduces the ozone layer atmosphere and. To assess the publics understanding of the main sources of air pollution in nanchang. Mar 24, 2020 pollution may be in the form of a gas, liquid, solid or energy. In urban areas air pollution causes several e ffects like increase of air temperature, lowering of wind speed, attenuation of solar radiation etc.
Causes, effects and solutions of air pollution conserve energy. However, globally humanmade pollutants from combustion, construction, mining, agriculture and warfare are increasingly significant in the air pollution equation. Air pollution occurs when harmful or excessive quantities of substances are introduced into. Impacts of air pollution on human health, ecosystems and. It is the contaminants of air by the discharge of detrimental substances. Residents perception of air quality, pollution sources, and air. Air pollution and noncommunicable diseases chest journal. Air pollution in ghana dangerous levels of toxic air, mainly from car exhaust, rubbish fires, road dust, and soot from biomassfuelled cookstoves, is killing thousands of people in ghana every year, figures from the world health organization who have revealed. Air pollution occurs when harmful or excessive quantities of substances are introduced into earths atmosphere.
Developmental activities such as construction, transportation and manufacturing not only deplete the natural resources but also produce large amount of waste. Motor vehicle emissions are one of the leading causes of air pollution. Radiation is the process by which radiant energy is transferred from one place to another in the form of electromagnetic waves. Pollution 6 there are other causes of air pollution, but humans and ecosystems are greatly affected by means of transportation and manufacturing plants. Global estimated deaths by major risk factor and cause, 2015. What are the health costs of environmental pollution. Air pollution is one such form that refers to the contamination of the air, irrespective of indoors or outside. Sources of air pollution include gases such as ammonia, carbon monoxide, sulfur dioxide, nitrous oxides, methane and chlorofluorocarbons, particulates both organic and inorganic, and biological molecules.
Air pollution and its control measures 447 the other choice for an electric utility can be the use of natural gas as a fuel. 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. While the numbers are encouraging, bilawchuk says the city needs to maintain a vigilant stance to keep reducing air pollution. Mahendra pratap choudhary, associate professor, deptt. Living organisms can survive without water for some time but cannot survive without air because when we breathe then we intake oxygen from air and.
A 75day course to qualify gs paper of uppsc prelims. Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment air, water, and soil which can cause harmful effects on various or many forms of life. You can download or order free and priced eu publications at. Cardiovascular disease a disease affecting the heart and circulatory system. Air pollution is unclean, unsafe and unhealthy atmosphere causing various harmful diseases and conditions. 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. Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors. In children, air pollution is linked to asthma and bronchitis, increases in school absences and er visits. 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 is associated with a number of adverse health effects, including heart disease, stroke, lung cancer, miscarriage. Forest fires are one completely natural cause of air pollution.
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. I air pollution caused by industries jiming hao and guowen li typically decreases at the rate of 6. The subsidence is caused by air flowing down to replace air, which has flowed out. Higher the frequency or lower the wavelength of a radiation. Natural pollution volcanic eruptions, forest fires, biological decay. Air pollution comes from both natural and humanmade anthropogenic sources. Mar 24, 2017 air pollution ppt and pdf for free download. Air pollution reduces plant biodiversity and affects other ecosystem services, such as clean water, recreational activities and carbon storage. 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. Definitions and classifications used in the study of air pollution are introduced. Air pollution contributes to climate change, hence air pollution. Pdf air pollution as a significant cause of diseases and. Catalytic converter an air pollution abatement device fitted to a motor vehicle exhaust.
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