This website uses cookies to ensure you have the best experience. Learn more

Environmental Pollution Essay

7013 words - 29 pages

MODULE - 4
Contemporary Environmental Issues

Environmental Science Senior Secondary Course

Notes

10
ENVIRONMENTAL POLLUTION
Developmental activities such as construction, transportation and manufacturing not only deplete the natural resources but also produce large amount of wastes that leads to pollution of air, water, soil, and oceans; global warming and acid rains. Untreated or improperly treated waste is a major cause of pollution of rivers and environmental degradation causing ill health and loss of crop productivity. In this lesson you will study about the major causes of pollution, their effects on our environment and the various measures that can be taken to control such ...view middle of the document...

The agents which cause environmental pollution are called pollutants. A pollutants may be defined as a physical, chemical or biological substance unintentionally released into the environment which is directly or indirectly harmful to humans and other living organisms.

MODULE - 4
Contemporary Environmental Issues

Notes

10.2 TYPES OF POLLUTION
Pollution may be of the following types: • • • • • • Air pollution Noise pollution Water pollution Soil pollution Thermal pollution Radiation pollution

10.3 AIR POLLUTION
Air pollution is a result of industrial and certain domestic activity. An ever increasing use of fossil fuels in power plants, industries, transportation, mining, construction of buildings, stone quarries had led to air pollution. Air pollution may be defined as the presence of any solid, liquid or gaseous substance including noise and radioactive radiation in the atmosphere in such concentration that may be directly and indirectly injurious to humans or other living organisms, plants, property or interferes with the normal environmental processes. Air pollutants are of two types (1) suspended particulate matter, and (2) gaseous pollutants like carbon dioxide (CO2), NOx etc. Some of the major air pollutants, their sources and effects are given in table 10.1. Table 10.1: Particulate air pollutants, their sources and effects
Pollutant Suspended particulate matter/dust Sources Smoke from domestic, industrial and vehicular soot Effects Depends on specific composition Reduces sunlight and visibility, increases corrosion, Pneumoconiosis, asthma, cancer, and other lung diseases. Settles down on vegetation, houses. Adds to the suspended participate matter (SPM) in the air. Leachates contain harmful material

Fly ash

Part of smoke released from chimneys of factories and power plants

165

MODULE - 4
Contemporary Environmental Issues 10.3.1 Particulate pollutants

Environmental Science Senior Secondary Course

Notes

Particulate matter suspended in air are dust and soot released from the industrial chimneys. Their size ranges from 0.001 to 500 µm in diameter. Particles less than 10µm float and move freely with the air current. Particles which are more than 10µm in diameter settle down. Particles less than 0.02 µm form persisent aerosols. Major source of SPM (suspended particulate matter) are vehicles, power plants, construction activities, oil refinery, railway yard, market place, industries, etc. • Fly ash Fly ash is ejected mostly by thermal power plants as by products of coal burning operations. Fly ash pollutes air and water and may cause heavy metal pollution in water bodies. Fly ash affects vegetation as a result of its direct deposition on leaf surfaces or indirectly through its deposition on soil. Fly ash is now being used for making bricks and as a land fill material. • Lead and other metals particles Tetraethyl lead (TEL) is used as an anti-knock agent in petrol for smooth and easy running of vehicles. The...

Other Papers Like Environmental Pollution

“The Minimata Litigation Is An Example Of The Failure Of Law And Lawyers In Japan”

1441 words - 6 pages Introduction: Japan’s tort liability system has been condemned for its shortcomings, including how complex tort cases are treated, such as tort litigation arising from a mass accident or environmental pollution. Although several administrative compensation schemes were adopted in response, they were incapable of addressing cases concerning environmental pollution cases. Instead, the tort liability system has been addressing the limitations of

Air And Water Pollution Paper

1252 words - 6 pages Air and Water Pollution Paper Since the industry revolution, environmental pollution has gradually become a global problem. It looks set to hog the limelight in this century. Almost all the countries suffer from such problem and are struggling to keep their heads over the water. This essay will cover two types of air pollutants and two water pollutants that affect our health. Air: (Indicate whether the selected air pollutants are considered

David Tobin Question 3

611 words - 3 pages what the Environmentalist's Paradox is Over the past 40 years, human well-being has improved, BUT, Natural Ecosystems that provide us with goods and services have declined. -what types of environmental degradation were citizen becoming aware of in the 1950s Citizens were becoming aware of air and water pollution in the 50’s. Also the loss of soil was a concern in the 50’s. -what impact did the Great Depression have on conservation

Environmental Reporting

5970 words - 24 pages environmental policy agencies in Kenya are expected to demonstrate much consideration in decision making. Environmentalists agree that it could be more cost effective and beneficial for companies to acquire pollution prevention or clean technology than those of pollution clean-up. It is also observed that in environmental regulations, there is a shift from the ‘command and control’ approach to market-driven forms in which pollution prevention alternatives

Environmental Inequality In The United States

3504 words - 15 pages Environmental Inequality in the United States Introduction Minority and poor populations have been experiencing an unequal amount of exposure to various environmental hazards. The goal of this paper is investigate the situation at hand and provide an explanation to whether this treatment is ethical. Thus, in this paper, I will not only attempt to analyze reasons why these populations experience more pollution than other populations and the

Case 4 Response

292 words - 2 pages Module 4 Case Response Consider the Exporting Pollution case in answering the following questions. How important is caring for the environment compared to profit and economic expansion? Are they equally important, or is one of them more important than the other? Who bears the responsibility for setting environmental policy? (Government, Corporations, Citizens, some other party?) Do businesses have a responsibility to protect the environment

Climate

1778 words - 8 pages environmental cases. 3 RA 9275: Philippine Clean Water Act of 2004 The law aims to protect the country’s water bodies from land-based pollution sources (industries and commercial establishments, agriculture and community/household activities) It provides for a comprehensive and integrated strategy to prevent and minimize pollution through a multi-sectoral and participatory approach involving all the stakeholders. Under the Act

Chinese Economic Development

1125 words - 5 pages behind the United States and if 16 of the 20 most polluted cities in the world are Chinese. * Overall, air pollution is costing China 2% to 3% of GDP, as the acid rain generate losses in excess of 100 billion RMB ($ 15.7 billion) a year. Even if economic development strategy of China could enhance the efficiency of the environmental protection system, there are still some problems which can interfere with the creation of a

Impacts Of Human Behavior On The Environment

1213 words - 5 pages introduced to provide clean water, eliminate hunger and illness, environmental health will increase the psychological health of the humans inhabiting the area. Educating as many countries and the people residing there, can bring productivity and environmental health to the entire planet. Controlling or eliminating air pollution in one area automatically prevents that pollution from traveling around the earth in the jet stream and clouds

Green Banking

417 words - 2 pages in Banks, Online Banking and Green Banking, Energy Efficiency, Paper Saving, Water Saving, Waste Management in Banks. e. Product Ecology, Green Financing of Banks, Carbon Finance, Designing Green Project, Green Finance in Different Sectors-Environmental and Eco-friendly Project, Water Pollution and Restoration, Air Pollution and Control, Solid Waste Treatment, Programmed Forestry and Conservation of Biodiversity,  Risk Identification and

Cause And Effect

1767 words - 8 pages Times (2010) also estimate more than 30 million people are the recipient of potable water from the lakes. With over 3.2 million harvestable fish worth an estimated 4.8 million dollars, Lake Huron is important to the fishing industry. According to McCrimmon (2002), Lake Huron alone has over 117 species of fish. Lake Huron, as well as the other great lakes, is also polluted. For this essay, pollution is the injection of biological or non-biological

Related Essays

Pollution Problem In China : Suntainable Economic

721 words - 3 pages The Barrier to China sustainable economic growth: Pollution Problem China, the world’s second largest single-country economy, has achieved economic growth over the past 30 years, however, growing the GDP at any cost has created many environmental problems. China’s facing severe pollution and environmental degradation for many reasons such as rapid industrialization, reliance on coal as an energy source and manufacturing industry. One of the

Community Environment Issue Essay

839 words - 4 pages the issues effecting the environment. Scientific assessments, risk analysis, public engagements, political considerations, and long-term environmental management is the starting point of succeeding in protecting the environment. One key element effecting the environment in Georgia is pollution. The population has grown past the means of Georgia’s expectation. The population growth brings about building new homes in wooded areas, new roads

American Rangelands And Forests Essay

261 words - 2 pages | | | |Rangeland or | | | |Forest | |Research and identify the effects of |Review environmental websites and journals. |Month 1–3 | |air pollution

A Report Of Environmental Cost On High Speed Railway

1694 words - 7 pages construction of high-speed rail. Findings Qian Tian Da Fu made a more detailed exposition of the environmental issues of the high-speed rail in Japan; He introduced Japan's high-speed rail noise, vibration, tunnel micro-pressure wave, low frequency sound, and soil pollution. Cost estimation methods were analyzed from the documents of 100 projects, including draft environmental impact statements, final environmental impact statements, and records of