Environmental Pollution

Topics: Pollution, Noise pollution, Water Pages: 3 (644 words) Published: January 27, 2013
➢ Environmental pollution is contamination of air, water and land from man-made waste that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms.

➢ Pollution leads to depletion of the ozone layer, global warming and climate change.

➢ Pollutants are the elements of pollution. A pollutant is a waste material that pollutes air, water or soil. Three factors determine the severity of a pollutant: its chemical nature, the concentration and the persistence

Forms of pollution and its Effects

➢ Air pollution is the release of chemicals and particles into the atmosphere. Motor vehicle emissions are one of the leading causes of air pollution. can cause respiratory disease, cardiovascular disease, throat inflammation, chest pain, and congestion

➢ Soil contamination includes surface runoff, leakage into groundwater, liquid spills, wastewater discharge and littering. If toxins are spilled on the ground or if an underground storage tank leaks, soil can become contaminated. Well known contaminants include herbicides and pesticides.

➢ Water pollution is the contamination of water bodies such as lakes, rivers, oceans, and groundwater by human activities. It occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful constituents. Can cause Diarrhea, Fever, cough and vomiting.

➢ Noise pollution, which encompasses roadway noise, aircraft noise, industrial noise . induces hearing loss, high blood pressure, stress, and sleep disturbance.

Pollution control

➢ means the control of emissions and effluents into air, water or soil.

➢ Without pollution control, the waste products from consumption, heating, agriculture, transportation will degrade the environment.

➢ pollution prevention and waste minimization are more desirable than pollution control.

➢ Sewage treatment, Dust collection systems...
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