Pollution of rivers, lakes and seas is a major concern for people who seek to protect the environment. What are the possible causes of water pollution, and what ef ects does this have on animal life and human society?

It is an undeniable fact that

water

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plays an important role in human life. Nowadays, one of the major concerns of human beings is

water

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pollution

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, which can threaten both humans and the environment. In

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essay, I will explore some of the issues and negative effects associated with

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type of

pollution

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caused by car's emissions and dumping wastes. One of the main causes of the problem is the emission which has been produced by vehicles.

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, these emissions including damaging chemical particles,

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as carbon and sulphur dioxide, can contaminate rainwater, runoff and

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supplies.

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, It has been confirmed by many scientists that the rate of

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contamination in urban areas is often far more than in rural areas as many people in these cities tend to use their private cars, and

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can ultimately release a huge amount of emissions into the air.

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,

pollution

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in the air can produce diverse types of diseases,

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as respiratory diseases and eye irritation. It has been shown in the newspaper that 75% population of the urban areas has been seen in the hospitals due to these sicknesses. Another obvious cause of

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pollution

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is dumping wastes in the ocean.

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is to say, sewage and trashes being released into the ocean can lead to marine

pollution

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. Many poor countries,

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, dump household garbage into the seas as there are not enough landfills, and

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can eventually pollute the ocean. Dumping these pollutants can become trouble for

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species,

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as fish, dolphins, and sharks.

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can be the reason for the extinction of the sea species.

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, we have lost many types of

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animals due to human activities. In conclusion, while human activities are the main cause of

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pollution

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and produce a number of obstacles for both humans and the sea environment. These problems can not be easily addressed. If the governments prohibited sea dumping and imposed stricter laws on the usages of private cars,

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problem would be perfectly solved.