Speech on air pollution Air pollution is harmful to the environment. I would like to talk about the harmful effects of air pollution. Air pollution has to stop. It is harming humans and our environment. People are causing it‚ and making it worse for them selves. I will talk about other reasons why it must stop. Air pollution is a chemical in the air that harms humans and other living things. The atmosphere is complex‚ it has natural gases that support life. Ozone depletion due to air pollution
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Air and Water Pollution Penny Thompson ENV 100 12.4.2011 Air and Water Pollution Pollution is everywhere we look. In everyday activity‚ humans produce unhealthy pollutants without even a thought. This has been going on for centuries; even as early as the 11th century‚ people turned to burning coal instead of wood and in the 13th century‚ England’s King Edward l tried to impose stiff penalties for polluting the air. They could see that burning sea coal was creating hazards (History Channel
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Case Study : Air India crashes into troubles - Presentation Transcript 1. Air India Crisis – The National Air Carrier on a FreeFall 21st June 2011 2. How it started Air India (Hindi: एअरइंडिया) is a state-owned flag carrier‚ the oldest and the largest airline of India. It is a part ofthe Indian government-owned Air India Limited (AIL) which is renamed as Air India Ltd. The airline operates a fleet of Airbus and Boeing aircraft serving Asia‚ Australia‚ Europe and North America. Its corporate office
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Air Pollution 20.000 liters of air is what we breathe on a daily basis. Air is something most people take for granted‚ you don’t see it around you and breathing goes automatically. But every time we inhale we risk inhaling dangerous chemicals which found their way in our air. Air pollution is the presence of dangerous chemicals in the air that we breathe. It is a change in the air which influences humans health and organism on the planet. Many think that `gases’’ pollute the air‚ those gases
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AIR POLLUTION The main reason of Air Pollution is burning of fossils fuels in large quantities accent decades has resulted in gradual increase in carbon dioxide content in the atmosphere. It is estimated that content of carbon dioxide has increased by 25% during the last 100 years. Carbon dioxide allows in solution to pass through but absorbs out going terrestrial radiation increase of Carbon dioxide in the atmosphere has the effect of increasing the temp of atmosphere. It is estimated that global
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Air pollution has become one of the most important concerns of the local authorities of Latin- American cities. Bogotá‚ like as other urban centers in South America such as Sao Paulo‚ Mexico City and Santiago de Chile‚ shows significant levels of air pollution‚ levels that may represent a high risk for the population’s health and certainly a reduction in the quality of life of its inhabitants. Bogotá‚ capital of Colombia‚ is one of the largest cities of Latin America; with a population of around
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Causes of air pollution: Unwanted material present in air is referred as air pollution. The causes of air pollution may be * Natural process: For instance volcanic eruption and forest fire because of lightening. * Man- made process: for instance combustion of fossil fuels. Most of the air pollution is man – made. In metropolitan areas‚ combustion of petrol and its byproducts result in release of air pollutant. Incomplete combustion releases a toxic compound called carbon monoxide in to
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Air Pollution in the World OUTLINE I. Nowadays air pollution became very important problem in our world. II. Air pollution is caused by 3 factors. a. Factories b. Cars c. Human activities III. These three main problems listed above cause huge effects on our planet. a. Global warming b. Acid rains c. Health problems IV. Regarding all the factors and the problems they cause‚ we should start changing our world.
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AIR QUALITY : Air pollution comes from many different sources: stationary sources such as factories‚ power plants‚ and smelters and smaller sources such as dry cleaners and degreasing operations; mobile sources such as cars‚ buses‚ planes‚ trucks‚ and trains; and naturally occurring sources such as windblown dust‚ and volcanic eruptions‚ all contribute to air pollution. Air Quality can be affected in many ways by the pollution emitted from these sources. These pollution sources can also emit a
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AIR QUALITY CONTROL Table of Contents TOPIC | PAGE NUMBER(S) | DEFINITION | | COMMON AIR POLLUTANTS | | MAN-MADE SOURCES | | NATURAL SOURCES | | TECHNICAL BRIEF OF THE GAME | | CONCLUSION | | REFERENCES | | DEFINITION This is also known as atmospheric pollution. It can be classified as ambient (outdoor) air and indoor air. Many materials that are considered contaminants and pollutants are found naturally existing in the atmosphere. A definition
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