soil pollution
TRANSCRIPT
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Welcome
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Soil Contamination
Presented By: Ma Nandar NweDip.EIA/EMS (3)
10.June.2015
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What is pollution.Different type of pollution.What is soil.What is soil pollution(or)contamination.
Main causes of soil contamination.Effect of soil contamination.Ways to stop.
Introduction
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Defination:When harmful Substances Contaminating
the Environment is Called Pollution OR
Pollution is anything which harms the environment in any way
Pollution refers to the very bad condition of environment.
Pollution
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Air Pollution. Land/Soil Pollution. Water Pollution. Noise/Sound Pollution. Thermal Pollution. Visual Pollution. Light Pollution.
Different Type of pollution
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Soil (skin of the earth) the mixture of minerals,
organic matter, gases, liquids, and countless organisms that together support plant life
a major component of the Earth's ecosystem
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What is Soil contamination?
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the presence of man-made chemicals or other alteration to the natural soil environment.
Soil contamination
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Industrial Activity Agricultural Activities Waste Disposal Accidental Oil Spills
Causes of soil contamination
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Lack of Policies to Control Pollution Unplanned Industrial Growth Use of Outdated Technologies Presence of Large Number of Small
Scale Industries Inefficient Waste Disposal Leaching of Resources From Our
Natural World
Industrial Activity
Agricultural Activities
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Using pesticides and fertilizers Contaminated Water Soil Erosion and Sedimentation
Agricultural Activities
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comprise of both commercial and domestic wastes
About 23 millions tons of hazardous waste each year in the world
Garbage like aluminum, plastic, paper, cloth, wood is collected and sent to the local recycling unit
Items that can not be recycled become a part of the landfills and hence pollute the soil
Waste Disposal
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involve accidents involving vehicles (automobiles, trucks
and airplanes) not transporting wastes, but carrying materials, including fuel, that when spilled contaminate the soil.
Accidental Oil Spills
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Soil erosion : soil erosion leads to loss of top cover of the soil and hence leads to loss of fertile land for agriculture, forest cover, fodder patches for grazing etc.
Effect of soil contamination.
Soil erosion
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Change in climate patterns: The effects of soil pollution are very hazardous and can lead to the loss of ecosystems. When land is polluted, it directly or indirectly affects the climate patterns.
2. Contamination of underground and surface drinking water.
Effect of soil contamination.
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Environmental Impact: When deforestation is committed, the tree cover is compromised on. This leads to a steep imbalance in the rain cycle. A disturbed rain cycle affects a lot of factors. To begin with, the green cover is reduced. Trees and plants help balance the atmosphere, without them we are subjected to various concerns like Global warming, the green house effect, irregular rainfall and flash floods among other imbalances.
Effect of soil contamination.
Leads toInadequate rain fall , global warming , greenhouse effects etc.
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Effect on human health: The land when contaminated with toxic chemicals and pesticides lead to problem of skin cancer and human respiratory system. The toxic chemicals can reach our body through foods and vegetables that we eat as they are grown in polluted soil.
Effect of soil contamination.
Contaminated soil leads to :
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Effect on wildlife: The animal kingdom has suffered mostly in the past decades. They face a serious threat with regards to loss of habitat and natural environment. The constant human activity on land, is leaving it polluted; forcing these species to move further away and adapt to new regions or die trying to adjust. Several species are pushed to the verge of extinction, due to no homeland.
Effect of soil contamination.
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Global Warming : soil pollution also leads to global warming as the one of the main cause of soil erosion is deforestation and due that there is a imbalance in the ratio of oxygen and carbon dioxide . Hence there is a rise in temperature leading to Global Warming.
Effect of soil contamination.
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Biomagnification : The discharge of chemicals on land, makes it dangerous for the ecosystem too. These chemicals are consumed by the animals and plants and thereby make their way in the ecosystem. This process is called bio magnification and is a serious threat to the ecology.
Effect of soil contamination.
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Make people aware about the concept of Reduce, Recycle and Reuse
Ways to stop
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DON’T USE EXCESS CHEMICAL FERTILIZERS
say “No” to use of pesticides.
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Use biofertilizers and natural pesticides
Shift to biofertilizers
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People should be encouraged to go for afforestation .
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As plastics are non-degradable so, We should stop using plastic bags and switch over to paper and cloth bags.
Switch to
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Create dumping ground away from residential areas.
Faulty sanitation practices must be improved.
Polluted soil can be treated by bioremediation. It uses microorganisms (yeast, fungi or bacteria) to breakdown, or degrades hazardous substances into less toxic or non toxic substances (such as CO2 and H2O
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Google.com Environmental Impact Accessment By Larry W.Canter
(second adition) http://en.wikipedia.org/wiki/Soil_contamination http://
www.slideshare.net/gauravdudhe9/soil-pollution-31577416?related=1
http://www.conserve-energy-future.com/causes-and-effects-of-agricultural-pollution.php
http://mjcetenvsci.blogspot.com/2013/11/soil-pollution-types-effects-sources.html
References
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Thank you
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