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建立人际资源圈Water_Pollution
2013-11-13 来源: 类别: 更多范文
Water pollution is when the oceans, lakes, groundwater, and rivers become contaminated caused by different human and natural activities. Water pollution can be very harmful to humans, plants, and organisms that live in the water.
How water pollution originated was by materials that are natural processes that are not considered pollution. Water is considered polluted when it does not support a human use. There are many things that can cause water pollution. Sewage, which is human wastes that come from drains or sewers, the health effect, is that it is a threat to the health of everyone and it causes enrichment and high biochemical oxygen demand. Organic chemicals that is caused by a few different things like oil drilling, mines, industries, urban runoff from storm sewers, and irrigation runoff. Some of the things they contain are mercury, lead, arsenic, acids, and salts. Organic chemical contaminants surface water as well as groundwater it does not degrade or break down easily. Disease causing agents is caused by wastes of individuals that are infected with bacteria, parasitic worms, and viruses the effect is the spreading of infectious diseases. Those are just a few of the problems that cause water pollution.
The plan that I believe will alleviate the problem is that people that are deliberately dumping things into the water need to stop. The ones that know they are contaminating the water with chemicals need to work hard on finding a better resource to get rid the toxic waste that is going into the water from their factories or place of business or even their home. As for the things that are part of nature that cause water pollution I am not sure if there is much that can be done to prevent it from happing.
Some of the other water or land resource problems that come from water pollution would be enrichment and oxygen demand. When the oxygen levels in the water are high it robs the water of dissolved oxygen, when the oxygen levels are low microorganisms produce compounds with unpleasant odors, further deteriorating water quality.
I believe that there are challenges and limitations to the plan that I have described. They would be that there are just to many ignorant people in the world to stop dumping things in the water that causes pollution. And the pipes that run underground that leak out wastes and other things that pollute the water, it would take some time to fix that problem even if there was a way to end that kind of problem.
The way my plan could affect the community would be in a good way because there would not be all of that pollution in the water. I believe that many people’s lifestyles would change because they would not get sick and would not have to spend money on bottled water because they could drink their house water. The water would be safer to swim and to go fishing.
The sources of water pollution is made of two types, point source pollution which is put into the environment through sewers, pipes, or ditches from specific sites such as factories or sewage treatment plants. Nonpoint source pollution is something that happens when precipitation moves over and through the soil, picking up and carrying away pollutants that are eventually deposited in lakes, rivers, wetlands, groundwater, estuaries, and the ocean. Another name for nonpoint source pollution is polluted runoff.
Water pollution is a worldwide problem and the type of pollution varies from one region to another. Sewage is the main pollutant in cities and towns; different types of pollutants generate from different industries, food processing produces organic wastes
that are high in BOD but they, decompose rather quickly. There are many United States industries that treat their wastewater with advanced treatment methods.
References
Answers Corporation, (1996). Water pollution. Retrieved on September 28, 2008. From www.answers.com
Axia University Text book, Freshwater Resources and Water Pollution. Retrieved on September 28, 2008. From http://edugen.wiley.com/edugen/student/main.uni
Kifferstein.B, & Krantz. D, Water pollution and society. Retrieved on September 28, 2008. From http://www.umich.edu/~gs265/society/waterpollution.htm
Wikipedia, the free encyclopedia, (2008). Water Pollution. Retrieved on September 28, 2008. From http://en.wikipedia.org/wiki/Water_pollution

