through the action of sunlight on previously emitted reactive materials. For example‚ ozone‚ a dangerous pollutant in smog‚ is produced by the interaction of hydrocarbons and nitrogen oxides under the influence of sunlight. Ozone has also caused serious crop damage. On the other hand‚ the discovery in the 1980s that air pollutants such as fluorocarbons are causing a loss of ozone from the earth ’s protective ozone layer has caused the phasing out of these materials. Current information about the
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What is water purification? Water purification generally means freeing water from any kind of impurity it contains‚ such as contaminants or micro organisms. Water purification is not a very one-sided process; the purification process contains many steps. The steps that need to be progressed depend on the kind of impurities that are found in the water. This can differ very much for different types of water. In which ways is polluted water treated? Settling Before the purification process begins some
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infrastructural development progressing at a rapid rate‚ some harmful chemicals that are produced from science and technological equipment are disposed in the environment. Due to the subsequent increase in the amount of these chemicals in the atmosphere‚ the Ozone layer that prevents harmful particles from entering into the earth atmosphere gets depleted causing those harmful particles to enter into the earth atmosphere. Due to this‚ the earth’s environment is disturbed‚ which‚ in time‚ results in very high
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oxide produced by big industries and car emissions. When there is an overabundance of pollution in the air the sun’s rays get trapped on earth because of something called the Ozone layer. The Ozone layer is the part of the Earth’s atmosphere which contains relatively high concentrations of Ozone (O3). This causes the ozone to be
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WATER 1. Nearly 80% of the surface of earth is water. 2. 97% of all water on earth is sea water. 3. Chemically‚ it us 2 atoms of Hydrogen and 1 atom of oxygen. We and Water : 1. The human body is made up of about 70% water. 2. Every system in our body needs water. 3. Water makes up 83% of our blood. 4. Water helps us digest food. 5. Water transports body wastes. 6. Water keeps our temperature correct. 7. Each day we must replace 2.4 ltrs
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1. Introduction………………………………………...5 2. Hotels……………………………………………….5 3. History Of Hotels…………………………………..6 4. Eco- Friendly……………………………………….7 5. The Origin…………………………………………..7 6. Ecotels……………………………………….............8 7. ECOTEL Certification Services…………………...10 8. Eco Friendly Concept………………………………11 9. First World Ecotel………………………….............12 10. First Ecotel In India………………………………..13 11. Housekeeping ………………………………………13 12. Housekeeping and Eco-Friendly…………..............15 13. Eco Friendly Amenities Products
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Daly‚ A. and P. Zannetti. 2007. An Introduction to Air Pollution – Definitions‚ Classifications‚ and History. Chapter 1 of AMBIENT AIR POLLUTION (P. Zannetti‚ D. Al-Ajmi‚ and S. Al-Rashied‚ Editors). Published by The Arab School for Science and Technology (ASST) (http://www.arabschool.org.sy) and The EnviroComp Institute (http://www.envirocomp.org/). Chapter 1 An Introduction to Air Pollution – Definitions‚ Classifications‚ and History Aaron Daly and Paolo Zannetti The EnviroComp Institute
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two settings are water vapor in the air‚ the aerosols‚ ozone depletion. The water vapor in the air can affect temperatures by absorbing heat energy given off the Earth (Lutgens et al‚ 2011). Another factor that might affect temperatures is aerosols which can absorbs or reflect in coming radiation (Lutgens et al‚ 2011). Ozone depletion is the final factor that might affect temperatures because the ozone filters out UV radiation from the sun‚ ozone depletion can cause changes in temperature. Lutgens
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nitrogen‚ oxygen‚ and argon‚ which together constitute the major gases of the atmosphere. The remaining gases are often referred to as trace gases‚ among which are the greenhouse gases such as water vapor‚ carbon dioxide‚ methane‚ nitrous oxide‚ and ozone. Filtered air includes trace amounts of many other chemical compounds. Many natural substances may be present in tiny amounts in an unfiltered air sample‚ including dust‚ pollen and spores‚ sea spray‚ and volcanic ash. Various industrial pollutants
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AIR POLLUTION AND CLIMATIC CHANGES Introduction: Air pollution is actually the addition of any harmful substances to the atmosphere‚ which causes the damaging of the environment‚ human health and the quality of life. Air pollution has been a serious problem throughout the history. This can have series effect on the health of human beings. Every day‚ the average person inhales about 20‚000 liters of air. Every time when we breathe in we inhale dangerous substances. These dangerous substances can
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