Download - Environment Pollution
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EnvironmentalPollution
İlayda Guldursun
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Pollution Pollution is the introduction of
contaminants into a natural environment that causes instability; disorder, harm or discomfort to the ecosystem, physical systems or living organisms.
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Types of Pollution Air Pollution Water Pollution Thermal Pollution Soil Pollution Radioactive Pollution
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The Importance of Air Other planets have sunlight, but the
Earth is the only planet we know that has air and water. Without air and water, the Earth would be unable to sustain life.
Sustain: to continue
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Air Pollution Air pollution occurs when the air contains
gases, dust, fumes in harmful amounts. That is, amounts which could be harmful to the health or comfort of humans and animals or which could cause damage to plants and materials.
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Causes of Air Pollution1-Natural Sources Volcanic eruptions Forest fires Pollen grains of
flower
2-Man-made Sources• Increase in
pollution• Deforestation• Burning of
fossil fuels and fires
• Wars• Emission from
vehicles
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Protecting Clean Water Dirty water is the world's biggest health
risk, and continues to threaten both quality of life and public health. When water from rain and melting snow runs off roofs and roads into our rivers, it picks up toxic chemicals, dirt, trash.
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Sources of Water Pollution Community waste waters Industrial wastes Agricultural sources Under ground water pollution Thermal pollution
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Soil Pollution Soil pollution results from the build up of
contaminants, radioactive materials, salts, chemicals and cancer-causing agents.
Caused by dumping of wastes agrochemicals and as indirect result of air pollution.
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Sources of Soil Pollution
Domestic wastes
Agricultural wastes
Salination
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Control of Soil Pollution Proper disposal od industrial wastes Recycling and recovery of materials Minimize the manufacture and use od
chemical fertilizers
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Radioactive Pollution It is the physical pollution of air, water
and land through nuclear materials. Radioactive materials that cause pollution may be materials from commercial or laboratory processes.
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Sources 1-Man made Sources Nuclear weapons Reactors and nuclear fuel Waste waters containing these wastes X-rays used in medical practices
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Effects Mutation Cancer Increases infant mortality rate
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Noise Pollution Unwanted high pitch sound that pollutes
the environment. Maximum tolerable intensity of sound is
85 decibels
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Sources The main sources are automobiles, aero
planes, loudspeakers, industries and other electro mechanical devices.
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Effects of Noise Pollution Damage to ear drum and impairment to
hearing. Damages heart, liver and brain
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Thermal Pollution The term thermal pollution has been
used to indicate the detrimental effects of heated effluents.
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Causes of Thermal Pollution Nuclear power plants Coal fired power plants Industrial effluents Domestic sewage
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Control Measures Cooling towers Cooling ponds Artificial lakes