manufacturing‚ pulp‚ paper and paperboard products‚ and textile products‚ correspondingly discharge large amounts of wastewater (PEM‚ 2003). Most of the water pollution-intensive industries are in National Capital Region‚ Calabarzon‚ and Region III. Food manufacturing industries‚ piggeries‚ and slaughterhouses are the main sources of organic pollution (PEM‚ 2004). A report from a study conducted by the United Nations Industrial Development Organization (UNIDO) in 1999 emphasizes that the situation is
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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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that water pollution defines as “the addition of undesirable materials into aquatic bodies” (p.1). This may cause physical‚ chemical or biological change in water‚ leading to different harmful effects on organisms and environment. Lots of aquatic organisms are killed. Therefore‚ the problem of water pollution should be solved immediately. And before we combat the problem‚ we must analysis the causes and effects on the environment and organisms. In this essay‚ the causes of water pollution will be firstly
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Air Pollution Air pollution in Egypt is a real‚ harmful and serious problem. It is caused by a wide variety of things. From these causes is the great amount of smoke that come from chimneys of factories that were built near the cities as it release great amount of harmful‚ poisonous‚ black smoke which is quickly spread in the air and change its color into black. Also the black color of car exhaust has a serious‚ bad effect on human’s respiration and which unfortunately we breeze it daily as we
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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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THERMAL POLLUTION It is one of the pollution that effects on living things and the environment badly. The definition of thermal pollution is the degradation of water quality by any process that changes ambient water temperature. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers. When water used as a coolant is returned to the natural environment at a higher temperature‚ the change in temperature decreases oxygen supply‚ and affects ecosystem composition
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Topic: Pollution is becoming serious in our country‚ especially in the big city. Discuss some possible causes leading to this situation. Pollution is now one of the most serious environmental problems in our country‚ especially in big cities. Many projects have been carried out to deal with this problem but there does not seem a lot of improvement to be brought about. As far as the causes of this issue are concerned‚ three reasons can be looked into: bad waste disposal system‚ the rapid increase
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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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Plastic pollution Plastics are very convenient products that we use in our every day life and for most people it would be difficult to imagine a plastic free world. It is everywhere: used for water bottling purposes‚ food covering‚ parts that make up our daily items such as cell phones‚ clothes‚ and hospital equipments. With so many convenient methods for the use of plastics‚ many of us fail to recognize the dangers of plastic pollution which starts with industrial pollution‚ continues with its
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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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