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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CASE STUDY ON POLLUTION IN VELLORE: SOURCES AND MEASURES TO CHECK IT. SOURCES AND METHODS TO REDUCE POLLUTION IN VELLORE Shraddha Sahu and Akshay Ahuja B.tech- Electronics and communication Engg.‚ SENSE‚ VIT UNIVERSITY‚ Vellore‚ Tamil Nadu – 632014 Email id- shraddha.sahu2012@vit.ac.in ABSTRACT: Vellore‚ also known as ‘fort city’ and a historical destination in southernmost India ‚ is one of the
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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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ng Cabuyao College of Business Administration and Accountancy Land Pollution LAND POLLUTION [pic] [pic] Land Pollution Land pollution is basically about contaminating the land surface of the earth through dumping urban waste matter indiscriminately‚ dumping of industrial waste‚ mineral exploitation‚ and misusing the soil by harmful agricultural practices. Pollution includes visible litter and waste along with the soil itself being polluted. The soil
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1. INTRODUCTION Environmental Pollution is the most important threat to the human race on this planet today. Environment consists of earth‚ air‚ water‚ flora and fauna. It means adding impurity which threatens the life of flora and fauna to the environment. These impurities are mainly created by man-made activities. The impurity can be air‚ water‚ land any sort of thermal radiation‚ etc. As we moving towards globalization there is rapid increase in industrialization and technological growth which
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GAS WELDING Gas welding is a process that use fuel gases and oxygen to weld and cut metals. Uses: 1-welding and cutting metals 2-in Stone Work for flaming 3-in the glass industry for fire polishing 4-in jewelry production How we use it : The apparatus used in gas welding consists basically of an oxygen source and a fuel gas source it’s pumped through hoses and get out to cut or weld the used metal and there are two cylinders one of them contain oxygen and we can control
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Essay 1 Air Pollution: Causes and Effects It keeps us alive but at the same time‚ it can also be harmful. We breathe air everyday. Air provides us with oxygen that is essential for living. Nitrogen‚ water vapor‚ and inert gases comprise air along with oxygen. Emission of substances that contaminate air results to pollution. Causes Air pollution is both natural and human-based. Natural air pollution is caused by phenomenon such as volcanic eruption‚ wind erosion‚ decomposition and radioactive
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GEOS 3310 Lecture Notes: Water Pollution Dr. T. Brikowski Spring 2012 file:waterQuality.tex‚v (1.33‚ November 14‚ 2011)‚ printed March 30‚ 2012 Water Pollution 1 Introduction Water pollution is the “degradation of water quality as measured by biological‚ chemical‚ or physical criteria.” Common sources of groundwater pollution are listed in Keller [Table 14.3‚ 2011]. Typical pollutants include: • Oxygen-demanding waste: materials that produce a high BOD [Fig. 11.2‚ Keller‚ 2000]
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Module Code:FC501 3T 2. Module Title: Skill for the Study 3. Assessment Title: Essay 4. Assignment Title: Outline the reasons why plastic pollution has become a problem. How can the problems be solved in the future? 5. Tutor Name: Claire Swanwick 6. Student ID Number: 200939477 7. Date of Submission: 30/11/2012 8. Word count:727 Plastic pollution It is evident that plastic pollution has become a serious problem .More and more people are concerned about how to solve this problem .Using plastic
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Nowadays‚ our community has many environmental problems‚ but the obviously problem is air pollution. People around the world‚ especially in the cities‚ see air pollution as an important problem because cause it makes many big effects such as worsens earth’s atmosphere and harms living creatures. Air pollution is created by both natural actions and humans activities‚ but mostly‚ air pollution is made by humans. The three principal causes that humans have done are burning fuels in vehicles‚ unsuitable
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