Pollution Essay In English Wikipedia English

Light pollution is a type of pollution. It is defined as “any adverse (or bad) effect as a result of man-made lights.” Usually, this means too much light. Several species, including plants and humans, are badly affected by light pollution. Most people have never heard of light pollution, and those who have usually don’t care, or do anything about it. Light pollution costs Americans billions of dollars every year.

Types of light pollution[change | change source]

There are five kinds of light pollution:

  • Light trespass
  • Over-illumination
  • Clutter
  • Glare
  • Sky glow

Sky glow usually has more of an effect on the environment than light trespass and glare, but all of them are a major problem to people today.

Sky glow is the kind of light pollution that prevents people from seeing stars and other deep-space objects. This causes birds to not be able to migrate to the right place because they can not follow the moon and stars. Sky glow also prevents astronomers from seeing dim objects.

Light trespass is when light being used by a person goes into the property of another. Although light trespass is not an environmental issue, it is still light pollution.

The third kind of light pollution, glare, has different kinds. The first, disability glare, is the loss of visibility because of too many lights. Discomfort glare is when the lights cause pain.

Effects[change | change source]

Effects on animals[change | change source]

Light pollution stops migrating birds from having any way of seeing the moon and stars that they need to use to navigate the direction of their migration, therefore not being able to migrate to the correct place. Also, sea turtles do not come to shore and nest as often, because they are afraid of the lights. It also affects animals eyes as a flash of camera weakens the eyesight of animals.

Effects on humans[change | change source]

Glare causes sleep problems in humans. For example, too much light in an apartment shining in from a nearby billboard will disturb their sleep. Also, science is being affected by light pollution. Astronomers have no way of observing or making discoveries with too much light to block the night sky. It also causes headaches when light directly falls into our eyes and affects the sensory nerves.

The solution[change | change source]

Group solution[change | change source]

There are now several groups that are trying to prevent light pollution. Light pollution first made news in 1964, when an observatory was specially placed just to avoid light pollution. However, it wasn’t brought to the attention of most people until June 6, 2002, when the Czech Republic passed the world’s first light pollution law. Since then, light pollution is slowly being recognized by the general public as a major problem.

Also goverment should pay attention for advertisements, which produce the greatest amount of light.

Individual solution[change | change source]

You can lower the amount of light pollution by having lights off when they are not needed. You can also shield yourself from this pollution by putting curtains on a window facing the street or any other disturbing light source.

The English used in this article or section may not be easy for everybody to understand. You can help Wikipedia by reading Wikipedia:How to write Simple English pages, then simplifying the article.(January 2017)An editor's reason for this is: may also be too technical when it comes to use of words.

Pollution is when something is added to the environment harmful or poisonous to all living things. Smoke or dust in the air is a type of pollution . Sewage in drinking water is another type of pollution, containing germs and viruses. There are 3 kinds of pollution: water pollution, land pollution, and air pollution.

As pollution grows, ways to combat it have grown too. Solar energy and wind energy give people other ways to power their homes. When people use these alternative forms of energy, they put less carbon dioxide into the environment. [1]

Air pollution[change | change source]

Air can be polluted by many things. Air pollution includes poisonous gases, sulphur dioxide, nitrogen dioxide, carbon monoxide and very small particulates. Smoke and harmful gases released by fires, industries and thermal power plants cause air pollution. Using coal and wood as fuels for fire cause a lot of air pollution. Petroleum produces less pollution per tonne, but it causes a lot of pollution since a lot of it is burned globally. Air pollution may cause breathing problems such as asthma or other health problems. It also causes diseases like cancer.

Air pollution causes global warming and acid rain, which can lead to unpredictable levels of drought worldwide. This makes it difficult for the living organisms to survive.

Water pollution[change | change source]

Water pollution is the presence of harmful materials in water, such as sewage, dissolved metal, waste from farms, factories and crude oil spilled from oil tankers. The three main substances that pollute water are nitrates from fertilizers, sewage and detergents.

Activities such as bathing and washing clothes near lakes, ponds or rivers add nutrients like nitrate and phosphate into the water bodies.This leads to excessive growth of algae on the surface of water. It blocks the penetration of sunlight and air, thus reducing oxygen.

It causes harm to organisms living in water and can also harm people's health. In extreme cases, it may cause diseases like cancer.[2]

Noise pollution[change | change source]

Noise pollution (also known as sound pollution) is harmful to the brain and hearing of all animals and humans. This includes the sound of vehicles, loud speakers, airplanes, jets, train horns etc. Noise pollution can cause ear problems or even permanent deafness, especially to older people. It also causes brain related problems.

Land pollution or Soil pollution[change | change source]

Soil pollution (also known as land pollution) is caused when man-made chemicals, such as hydrocarbons, heavy metals, and solvents, get into the soil.These chemicals come from industrial activities and from improper waste in disposal in leaky landfills. Soil pollution can cause health risks. The chemicals can produce harmful vapors, or they can contaminate water supplies underneath the polluted soil.

Plastic pollution is the accumulation of plastic products in the environment that adversely affects wildlife, wildlife habitat, or humans. It is caused because plastic takes thousands of years to decompose or mix in the earth.

Thermal pollution[change | change source]

Thermal pollution is the harmful release of heated liquid into a body of water or heat released into the air as a waste product of a business.

A common cause of thermal pollution is the use of water as a coolant by power stations and industrial manufacturers. This puts back warm water, and so raises the temperature and decreases the oxygen content of the water.

Reference[change | change source]

Smoke coming out from a chimney is an example of air pollution.
Waste from a sewer pipe is an example of water pollution.
A sample of noise pollution

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