Air pollution facts, causes and the effects of pollutants. In fact, a few studies have found that exposure to air pollution lowers educational attain. Acid rain is precipitation containing harmful amounts of nitric and sulfuric acids. For further information on air pollution, the air pollution index will. Effects of air pollution a variety of air pollutants have known or suspected harmful effects on human health and the environment. This paper presents the issue of air pollution and discusses the latest findings of fundamental research with regard to its consequences on human. Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors. People who breathe in bad air are developing chronic health problems and even dying prematurely due to air pollution exposure. 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. Environmental impacts of air pollution greentumble. High concentrations can cause undesirable health, economic, or aesthetic effects. Emissions from different transport modes, the burning of fossil fuels, industrial production, forest fires, aerosol use and radiation fare some of the main causes of air pollution such sources of emissions liberate gases and substances that are toxic for human beings, the most harmful of which are. The health effect of most concern is the induction of cancer of the lymphoid system and bloodforming tissues, lymphoma and leukaemia.
In most areas of europe, these pollutants are principally the products of combustion from space heating, power generation or from motor vehicle traffic. This paper examines the effect of outdoor air pollution on child health in india. The cost of air pollution consequences on the economy. This paper presents the issue of air pollution and discusses the latest findings of fundamental research with regard to its consequences on human health.
The largest source is road transport, with residential and industrial combustion making significant contributions. Air pollution is a problem that greatly affects those living in large, urban centers and the third world. These agreements on emission reductions cover the following air pollutants. 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. We provide the first study estimating the causal effect of air pollution on body weight and obesity. Children living near diesel trucking routes are more likely to have decreased lung function, bronchitis and allergies. Air plays a vital role not only in nature but also in the lives of human beings and all living organisms. Toxic chemicals are in the air may apply to wild species of the transition to a new location and change their habitat. Increased mortality in these groups occurs within 1 to 5 days. Air pollution reduces the economic value of crops and leads to expensive cleaning of cultural heritage. Pollution 6 there are other causes of air pollution, but humans and ecosystems are greatly affected by means of transportation and manufacturing plants. Many scientists believe that by reducing emissions from factories and vehicles, air quality can be. In children, air pollution is linked to asthma and bronchitis, increases in school absences and er visits.
Air pollution is caused when air in the atmosphere is filled with particulate matter. It is the contaminants of air by the discharge of detrimental substances. Environmental effects along with harming human health, air pollution can cause a variety of environmental effects. Air pollutant an air pollutant is a substance in the air that can have adverse effects on humans and the ecosystem. Mortality attributable to exposure to air pollution occurs mainly in individuals who suffer from cardiac andor respiratory diseases. Air pollution may be defined as the occurrence of any foreign materials or gases such as oxides of carbon, sulphur and nitrogen in the air beyond prescribed limit, which are harmful for man, vegetation, animals or buildings. In the second section, the consequences of air pollution on health are. The sources of pollution vary from small unit of cigarettes and natural sources such as volcanic activities to large volume of emission from motor engines of automobiles and industrial activities. Carbon monoxide co formed from incomplete combustion of carbon containing fuels. Published by the arab school for science and technology asst. 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 releases carbon dioxide, if this procedure does not take. An air pollutant is a substance in the air that can have adverse effects on humans and the ecosystem. Building on emerging economic evidence that links air pollution with a wide range of human impacts, including ognition, moodc and worker productivity graff zivin and neidell, 2012.
It is considered to be a criteria pollutant in the tropospherethe lowermost layer of the atmospherebut not in the upper atmosphere, where it occurs naturally and serves to block harmful ultraviolet rays. 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. This paper discusses the health impacts arising from ambient and household air pollution globally and at the national level india and recommends policy measures to reduce the health impact from air pollution in the national context. Air pollution is suspended particles and gases including carbon monoxide, volatile organic compounds vocs, nitrous oxides, sulfur dioxide, and ozone. An introduction to air pollution definitions, classifications, and history. Air pollution is a mixture of natural and manmade substances in the air we breathe. Both causes of death are associated with exposure mainly to pm, ozone and sulphates. Deposition of h 2so 4 can yield the following reactions in soils and water. Causes and effects of air pollution go green academy. Air pollution includes both ambient outdoor and household indoor air pollution. Sadly enough, with the rise of the industrial development, access to the clean air and water has become a luxury. People exposed to high enough levels of certain air pollutants may experience. Air pollution threatens the health of humans and other living beings in our planet.
Of all air pollution constituents, the who has identified spm as the most sinister in terms of its effect on health singh et al. Air pollution can also exacerbate existing lung and heart conditions, like asthma. Pdf air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. Air pollution is now a serious problem for those living in big, congested, industrialized cities with heavy vehicular traffic. Learn about what causes air pollution and how to help reduce the effects. The damage on cognitive ability by air pollution also likely impedes the development of human capital. Those affected by poor air quality can develop serious breathing and health problems such as asthma, chronic bronchitis, and even emphysema. Climate change air quality air pollution meteorology ozone particulate matter mercury. Using the china health and nutrition survey, which contains detailed longitudinal health and socioeconomic information for,741 adult individuals over 19892015, we find significant positive effects of air pollution, instrumented by thermal inversions, on body weight. Millions of americans live in areas where urban smog, particle pollution, and toxic pollutants pose serious health concerns.
Air pollution is a major problem of recent decades, which has a serious toxicological impact on human health and the environment. This project will introduce air pollution in general point of view, describe the cause pollutants, human effects, and explain critical environmental effect in present time. The reinsurance industry has recognized that air pollution should be considered as an important emerging risk4. Sulphur dioxide emitted from fossil fuel burning industry, households, transport. India stands third after china and us among the countries with highest co 2 emissions, with annual co 2 emission estimate of 2,069,738 in thousands of co 2 metric tons. Winnerb aschool of engineering and applied science, harvard university, cambridge, ma, usa b of. Outdoor air pollution involves exposures that take place outside of. Interactive qualifying project air pollution in asia. These acids are formed primarily by nitrogen oxides and sulfur oxides released into the. Health effects of air pollution deohs home university of. As for human and animal health are also facing some devastating effects of air pollution. Air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. Pdf causes, consequences and control of air pollution. Air pollution can have a serious heath impact on humans.
Its effects can range from higher disease risks to rising temperatures. However, some groups of people are especially sensitive to common air pollutants such as particulates and ground level. A key component of photochemical smog, ozone is formed by a complex reaction between nitrogen dioxide and hydrocarbons in the presence of sunlight. Air pollutant and their effects things that pollute a substance is called a pollutant. The potential relationship between air pollution and child linear growth has received little attention, compared with the effect of water, sanitation, and hygiene on child linear growth. The substance can be solid particles, liquid droplets, or gases. Environmental protection agency, washington, dc, usa keywords. Short paragraph on air pollution causes and effects. Air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. The effects of air pollution on the environment and on people are real and need to be addressed. It has a number of different emission sources, but motor. Impacts of air pollution on human health, ecosystems and. Air pollution may come from anthropogenic or natural sources.
The impact of exposure to air pollution on cognitive. Effects of air pollution on human health and practical. It creates smog and acid rain, causes cancer and respiratory diseases, reduces the ozone layer atmosphere and contributes to global warming. The effects of air pollution wreck havoc on human health and our planet as a whole. For environmental health science students air pollution mengesha admassu, mamo wubeshet. In the second section, the consequences of air pollution on health are documented. A recent boom in the literature of air pollution has spurred a number of studies in economics that have used quasiexperimental methods to measure how shortrun exposure to air pollution can impact infant mortality, adult mortality. Air pollution has been shown to have causal impacts along an array of health and economic dimensions. Air pollution causes,sources,effects on human health. Environment pollution is a widereaching problem and it is likely to influence the health of human populations is great. 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 effects of air pollution on human health and practical. Air pollution is a real danger to not just the environment, but also to human health. Air pollution causes damage to human health, crops, ecosystems and cultural heritage the scientific data presented in this brochure have been collated by the working group on effects to support the revision of the 1999 protocol to abate acidification, eutrophication and.
Even plants and wild animals living in distant ecosystems suffer greatly of the negative impacts of air pollution. If you are exposed to very high levels of air pollutants, you may experience irritation of the eyes, nose and throat, wheezing, coughing and breathing problems and have a greater risk of heart attacks. Air pollution reduces plant biodiversity and affects other. Air pollution, facts and information national geographic. Air pollution and its effects on health case studies, india. The effect of air pollution on body weight and obesity. Anthony heyes, matthew neidell, and soodeh saberian. According to who global air pollution database, out of the 15 most polluted cities in the world, 14 belong to india. Air pollution is a major factor that creates bad influence to human health and cause respiration disease. 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 cooling of the earth during the night increasing the amount of co 2 in the atmosphere.
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