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Post: #1


.docx  WATER POLLUTION.docx (Size: 10.58 KB / Downloads: 24)
The problem of ocean pollution affects every nation around the world. This is especially true because water is able to transport pollution from one location to another.
Water Pollution – Causes
Sewage, sludge, garbage, and even toxic pollutants are all dumped into the water. Often, governments either do not care or simply look the other way.
Water Pollution – Effects
The effects of water pollution are varied and depend on what chemicals are dumped and in what locations.
Water Pollution – Solutions
Many laws against water pollution remain weak, and many countries do not restrict water pollution. However, public anger is helping to create some legislation.
Post: #2
Water pollution is the contamination of bodies of water (eg lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when contaminants are discharged directly or indirectly into bodies of water without adequate treatment to remove harmful compounds.

Water pollution affects the entire biosphere - plants and organisms that live in these bodies of water. In almost all cases the effect damages not only individual species and populations, but also natural biological communities.

Water pollution is a major global problem requiring continuous assessment and review of water resources policy at all levels (international to aquifers and individual wells). It has been suggested that water pollution is the leading global cause of death and disease and accounts for the deaths of more than 14,000 people daily. An estimated 580 people in India die from disease-related water pollution every day. About 90 percent of the water in China's cities is polluted. As of 2007, half a billion Chinese had no access to safe drinking water. In addition to the acute problems of water pollution in developing countries, developed countries also continue to struggle with pollution problems. For example, in the most recent national water quality report in the United States, 44 percent of miles assessed, 64 percent of assessed acres and 30 percent of assessed bays and estuarine miles were classified as contaminated. The head of China's national development agency said in 2007 that a quarter of the length of China's seven major rivers were so poisoned that water damaged the skin.

Water is typically referred to as contaminated when it is damaged by anthropogenic contaminants and does not withstand human use, such as drinking water, or experiences a marked change in its ability to support its constitutive biotic communities, such as fish. Natural phenomena such as volcanoes, algal blooms, storms and earthquakes also cause major changes in water quality and the ecological status of water.

Marked Categories : seminar topics water pollution effects, water pollution, seminar topics on water pollution, seminar topics water pollution, water pollution presentation papers, pollution seminar topic, seminar pollution,

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