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Environmental Pollution

INTRODUCTION

❶This results in changes in feeding habits and decreases the overall productivity of water sources Hangsleben,

Water Pollution Research Paper

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Environmental Pollution

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Aenean vulputate eleifend tellus. Aenean leo ligula, port. Nut massa quis enim. Aene ligula eget dolor. These large-scale accidental discharges of petroleum are an important cause of pollution along shore lines. Besides the supertankers, off-shore drilling operations contribute a large share of pollution. One estimate is that one ton of oil is spilled for every million tons of oil transported. This is equal to about 0. Radioactive substances are produced in the form of waste from nuclear power plants, and from the industrial, medical, and scientific use of radioactive materials.

Specific forms of waste are uranium and thorium mining and refining. The last form of water pollution is heat. Heat is a pollutant because increased temperatures result in the deaths of many aquatic organisms.

These decreases in temperatures are caused when a discharge of cooling water by factories and power plants occurs. Workers use special nets to clean up a California beach after an oil tanker spill.

Tanker spills are an increasing environmental problem because once oil has spilled, it is virtually impossible to completely remove or contain it. Even small amounts spread rapidly across large areas of water. Because oil and water do not mix, the oil floats on the water and then washes up on broad expanses of shoreline. Attempts to chemically treat or sink the oil may further disrupt marine and beach ecosystems.

The major sources of water pollution can be classified as municipal, industrial, and agricultural. Municipal water pollution consists of waste water from homes and commercial establishments.

For many years, the main goal of treating municipal wastewater was simply to reduce its content of suspended solids, oxygen-demanding materials, dissolved inorganic compounds, and harmful bacteria. In recent years, however, more stress has been placed on improving means of disposal of the solid residues from the municipal treatment processes.

The basic methods of treating municipal wastewater fall into three stages: The handling and disposal of solid residues can account for 25 to 50 percent of the capital and operational costs of a treatment plant. The characteristics of industrial waste waters can differ considerably both within and among industries. The impact of industrial discharges depends not only on their collective characteristics, such as biochemical oxygen demand and the amount of suspended solids, but also on their content of specific inorganic and organic substances.

Three options are available in controlling industrial wastewater. Control can take place at the point of generation in the plant; wastewater can be pretreated for discharge to municipal treatment sources; or wastewater can be treated completely at the plant and either reused or discharged directly into receiving waters. Agriculture, including commercial livestock and poultry farming, is the source of many organic and inorganic pollutants in surface waters and groundwater.

These contaminants include both sediment from erosion cropland and compounds of phosphorus and nitrogen that partly originate in animal wastes and commercial fertilizers. Animal wastes are high in oxygen demanding material, nitrogen and phosphorus, and they often harbor pathogenic organisms. Wastes from commercial feeders are contained and disposed of on land; their main threat to natural waters, therefore, is from runoff and leaching.

Control may involve settling basins for liquids, limited biological treatment in aerobic or anaerobic lagoons, and a variety of other methods. Ninety-five percent of all fresh water on earth is ground water. Ground water is found in natural rock formations. These formations, called aquifers, are a vital natural resource with many uses. In rural areas this figure is even higher. Eighty one percent of community water is dependent on ground water.

Some examples are leaking underground storage tanks and municipal landfills. Several forms of legislation have been passed in recent decades to try to control water pollution. In , the Clean Water Act provided 50 billion dollars to cities and states to build wastewater facilities.

This has helped control surface water pollution from industrial and municipal sources throughout the United States.

When congress passed the Clean Water Act in , states were given primary authority to set their own standards for their water. This essentially means that state beneficial uses must be able to support aquatic life and recreational use. Because it is impossible to test water for every type of disease-causing organism, states usually look to identify indicator bacteria. One for a example is a bacteria known as fecal coliforms. Figure 1 shows the quality of water for each every state in the United States, click on the US link.

These indicator bacteria suggest that a certain selection of water may be contaminated with untreated sewage and that other, more dangerous, organisms are present. These legislations are an important part in the fight against water pollution. They are useful in preventing Envioronmental catastrophes. The graph shows reported pollution incidents since If stronger legislations existed, perhaps these events would never have occurred. Estimates suggest that nearly 1. With over 70 percent of the planet covered by oceans, people have long acted as if these very bodies of water could serve as a limitless dumping ground for wastes.

Raw sewage, garbage, and oil spills have begun to overwhelm the diluting capabilities of the oceans, and most coastal waters are now polluted. Beaches around the world are closed regularly, often because of high amounts of bacteria from sewage disposal, and marine wildlife is beginning to suffer.

Perhaps the biggest reason for developing a worldwide effort to monitor and restrict global pollution is the fact that most forms of pollution do not respect national boundaries. The first major international conference on environmental issues was held in Stockholm, Sweden, in and was sponsored by the United Nations UN.

This meeting, at which the United States took a leading role, was controversial because many developing countries were fearful that a focus on environmental protection was a means for the developed world to keep the undeveloped world in an economically subservient position. In addition to attempting to achieve scientific consensus about major environmental issues, a major focus for UNEP has been the study of ways to encourage sustainable development increasing standards of living without destroying the environment.

At the time of UNEP's creation in , only 11 countries had environmental agencies. Ten years later that number had grown to , of which 70 were in developing countries. Water quality is closely linked to water use and to the state of economic development.


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The Importance of Rewriting Storm Water Regulations. Danielle Nielsen. Goochland High School. Abstract. This paper observes the negative and harmful effects of water pollution and storm water runoff on the environment and the surrounding community.

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Research Papers on the Problem of Water Pollution Water Pollution Problem Research Papers delve into an example of an order placed on giving a description of the problem and how it started and possible plans that would alleviate the problem.

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Water Pollution Research Papers Several unique environmental factors influence the growing problem of pollutants in the water systems throughout the United States. Research papers on water pollution can focus on any specific area domestically or internationally and are custom written at Paper Masters.  Water pollution in China is a serious problem. It threatens the health and well being of humans, plants, and animals and it is one of most common types of fast-tri-29.cf paper will outline the negative affects of water pollution in Lake Tai that is caused by industries in China and the effects that it has on surrounding communities. The Chinese government is aware of the pollution problem.

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Water Pollution Research Paper. It's essential because unlike other nutrients, water isn't stored in the body. Typically, everyday, we lose around 10 cups of water, . Research Paper: Water Pollution This is a long research paper about water pollution. It isn't about my project, it is just related to it. You don't have to read all of it.