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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AIR POLLUTION [pic] Introduction The earth’s atmosphere‚ at or near sea level‚ consists approximately of 78 percent nitrogen‚ 21 percent oxygen and 1 percent other gases. If it were possible to remain in this state‚ 100 percent clean air would result. However‚ many varied sources allow other gases and particulates to mix with the clean air‚ causing our atmosphere to become unclean or polluted. Some of these pollutants are visible while others are invisible‚ with each
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HANOI—As Vietnam’s economy has boomed in recent decades‚ so too have pollution levels in its major cities‚ with experts concerned that air pollution could pose a major public health concern. "Environmental pollution in Vietnam is a real problem‚" said Tuong Lai‚ former dean of Vietnam’s Social Science Institute. "It’s not just foreign visitors who have complained about our dust pollution—people in our country are also very dissatisfied with it‚" he said. A study conducted by employment consultants
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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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The amount of air pollution in Pakistan’s major cities like Lahore and Karachi is 20 times higher than the World Health Organization standards. There are layers of smog‚ dust and smoke that exist over Karachi. There is also a prominent smell of gasoline that infiltrates air. Islamabad which is the capital city of Pakistan is known to be covered with thick layer smog that actually keeps hidden the view of Margalla hills. So pollution is very prominent and exists to a threatening level in Pakistan
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before I started the BSIT program. Next I will evaluate the growth I have experienced during my University of Phoenix program of study. Lastly I will analyze the impact of completing the University of Phoenix Bachelor’s program and my current and future professional goals I have established for myself. Past In the past‚ I was of the opinion that having an education was for some people but not for all.
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Noise Pollution The nature of sound Sound‚ a manifestation of vibration‚ travels in wave patterns through solids‚ liquids and gases. The waves‚ caused by vibration of the molecules‚ follow sine functions‚ typified by the amplitude and wavelength (or frequency) Sound waves of equal amplitude with increasing frequency from top to bottom Reflecting on noise “Noise" derived from "nausea‚" meaning seasickness Noise is among the most pervasive pollutants today Noise is unavoidable for many
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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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WHAT IS NOISE POLLUTION? What is noise Pollution? Sound is essential to our daily lives‚ but noise is not. Noise is generally used as an unwanted sound‚ or sound which produces unpleasant effects and discomfort on the ears. Sound becomes unwanted when it either interferes with normal activities such as sleeping‚ conversation‚ or disrupts or diminishes one’s quality of life. Not all noise can be called noise pollution. If it does not happen reqularly‚ it may be termed as ’Nuisance’
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POLLUTION!!- IS THERE A SOLUTION? Human Beings belong to a species that poisons its own habitat. If we think of our planet as a spaceship then we are the new and all other species are passengers. In general we behave irresponsibly .Earth’s atmosphere forms a protective cocoon around our spaceship‚ storing and recycling essential elements such as carbon and oxygen. Humans fill the air with pollution that turns the rain acidic and threatens to alter the climate pollution from and fossil and nuclear
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