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Land pollution |
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Soil pollution is defined as the build-up in soils of persistent toxic compounds, chemicals, salts, radioactive materials, or disease causing agents, which have adverse effects on plant growth and animal health. Soil is the thin layer of organic and inorganic materials that covers the Earth's rocky surface. The organic portion, which is derived from the decayed remains of plants and animals, is concentrated in the dark uppermost topsoil. The inorganic portion made up of rock fragments, was formed over thousands of years by physical and chemical weathering of bedrock. Productive soils are necessary for agriculture to supply the world with sufficient food. There are many different ways that soil can become polluted, such as seepage from a landfill, discharge of industrial waste into the soil, percolation of contaminated water into the soil, rupture of underground storage tanks, and solid waste seepage. Moreover, the most common chemicals involved in causing soil pollution are petroleum hydrocarbons, heavy metals, pesticides, and solvents. To clean up the soil and remove the pollutants, there are several ways that people can do. First, we, students, don't throw garbage on the ground. Second, factory workers don't let sewage flow to the water. Third, we, as a human who is depending on the Earth, should not often spend disposable resources, such as disposable water cup.
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4 Comments
Thanks for the concise report on land pollution.
Posted 11-05-2014 00:52
Thank you for the informative article, Doeun :)
Posted 07-05-2014 11:20
Very well narrated. We must contain soil pollution
Posted 05-05-2014 12:42
Instead of disposable Cup we are reusing glass container for drinking water. For tea also ceramic mugs are reused. These two items are used more on a daily basis.
You have given valuable info on soil pollution, thanks for sharing.
Posted 04-05-2014 15:45