Air pollution is a major environmental health problem affecting the developing and the developed countries alike. The effects of air pollution on health are very complex as there are many different sources and their individual effects vary from one to the other. It is not only the ambient air quality in the cities but also the indoor air quality in the rural and the urban areas that are causing concern. In fact in the developing world the highest air pollution exposures occur in the indoor environment
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the study of air pollution are introduced. lsointroduced are a brief history of air pollution‚ its regulation‚ and trends of its ambient concentrations and emissions. Keywords: Anthropogenic‚ biogenic‚ geogenic emissions biogenic‚; primary and secondary pollutants; criteria‚ hazardous‚ radioactive‚ indoor pollutants; sulfur smog‚ photochemical smog; UN-ECE‚ US-EPA‚ Clean Air Act. Air pollution spreads easily as it travels into the atmosphere. People get exposed to air pollution not just outdoors
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Place INDOOR AIR POLLUTION Children’s Health and the Environment WHO Training Package for the Health Sector World Health Organization www.who.int/ceh July 2008 version 1 Indoor Air Pollution Indoor LEARNING OBJECTIVES LEARNING TO UNDERSTAND‚ RECOGNIZE AND KNOW: Hazards of indoor air pollution to children’s health Different toxicants in indoor air‚ according to sources‚ settings and activities Characteristics and issues relating to indoor air pollution in industrialized
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I do not own anything. Air Pollution What is Air Pollution? Air Pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or damages the natural environment into the atmosphere. What is Atmosphere? The atmosphere is the complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to
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In the last two decades‚ the air pollution in China has increased substantially. The lack of good air quality is especially prominent in the more urban‚ industrialized areas of China. Environment Minister Zhou Shengxian warned‚ “If China meant to quadruple the size of its economy over 20 years without more damage‚ it would have to become more efficient in resource use. Otherwise‚ there would be a painful price to pay” (BBC News). The topic of air pollution is not a new concern to the world; however
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Air Pollution Anthony Hampton Everest University Environmental Science There are many different types of air pollution‚ either way none of them are good for our health or our atmosphere. Air pollution has gotten worse through the years‚ the more factories we have and the cars we drive have had an impact on the earth. Smog is one of the types of air pollution‚ it is defined when smoke is present in the earth after emitting different sources. That is why
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Topic 4: Externalities‚ Pollution and Global Warming ECON 1210B Economics and Society 1 Introduction Recall: Markets are usually a good way to organize economic activity In the absence of market failures‚ the market outcome is efficient‚ maximizes total surplus One major type of market failure: externalities Externality: the uncompensated impact of one person’s actions on the well-being of a bystander 2 Externalities and Efficiency In the presence of externality‚ market equilibrium
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Air Pollution: Air pollution means the presence of contaminants or pollutants in the atmosphere beyond tolerance limit that can cause health problems to all human beings on earth. The causes of air pollution can be both natural or man-made. Air pollutants are mostly gases or small particles which remain suspended in the air for very long time period. Sources of Air Pollution: The most characteristic sources of air pollution have always been combustion processes where the pollutant is smoke. Out
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Air Pollution To understand pollution of air‚ some knowledge of the atmosphere is required. Atmosphere is a layer consisting of a few gases surrounding the planet earth and is vital for the survival of life on earth. The atmosphere protects earth from abrupt temperature fluctuations from the powerful ultra violet radiation coming from the sun. The atmosphere is made up of nitrogen 78%‚oxygen 21%‚argon 0.9%‚carbon dioxideo0.03% and small amount of trace gases ‚helium ‚neon‚ krypton‚ xenon‚ hydrogen
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Air pollution is caused by the presence of chemicals‚ particulate matter‚ or biological materials in the air which harms humans and other living organisms. It can also damage the natural environment. Air pollution causes depletion of ozone in the stratosphere which endangers human health as well as the Earth’s ecosystems. Air pollutants can be in the form of solid particles‚ liquid droplets‚ or gases. They could be natural or man-made. Pollutants can be classified as either primary or secondary
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