Causes of pollution

causes of pollutionThe causes of pollution are many. Their number is growing day by day. Some of them directly hit the environment. They mar the beauty of nature. Some others negatively impact the balance of eco system. All of them deprive us from taking breath in fresh air, drinking pure water and walking on clean land.

3 main causes of pollution

Broadly speaking there are three main causes of pollution. They can be further divided into several sub-causes pointed. Here are they:

1. Effluents

  • Industrial effluent
  • Civic wastewater
  • Fuel affluent
  • Agricultural wastewater

2. Wastes

  • Civic waste
  • Hospital waste
  • Industrial waste
  • Nuclear waste

3. Emissions

  • Vehicular emissions
  • Industrial emissions
  • Dust emissions

1. Effluents

All types of liquids that affect the chemical composition of water or soil are called effluents. From factories whatever spills over and flows untreated into the river, sea or any other water body is called industrial effluent. It pollutes the water in one way or the other. This is one of the lethal causes of pollution.

Used water from homes flows through drains is called civic wastewater. It also pollutes the clean water if mixed into it without treatment. It is a common practice in least developed countries.

The oil which leaks or spills from ships gets mixed into the sea water and pollute the marine environment. Similarly the spray of pesticide and undue use of chemical fertilizer affects the fertility of land. If it flows with agriculture water into the water bodies also pollutes the water.

2. Wastes

If all types of solid wastes is dumped instead of proper disposal would surely affect the features of land and soil. Be it waste from houses, industries, offices, hospitals or even dangerous waste of nuclear plants. They badly affect the physical characteristics of our land. It is also one of the main causes of pollution on land.

Hospital and nuclear wastes are most dangerous causes of pollution.  They apart from damaging the soil, also harm the human life if it comes under their direct contact. Hospital waste is infectious and can spread various diseases.  Nuclear waste annihilates most of the positive features of soil.

3. Emissions

The two pipes are the main sources of emissions. One is chimney of factory and the other one is silencer of vehicle. Both emit poisonous gases beyond the limits set by various environmental and health watchdogs. They pollute the air to make it too bad for breathing.

In less-developed countries the issue of vehicular emissions is most alarming. Non-availability of adulterated fuel has intensified the harmful effects of gases of such emissions. Industrial nations have controlled the harms of industrial pollution through stringent laws. But in less developing countries it is a huge problem.

While sieving bulk of raw material of dry type like cement, the dust causes pollution in surroundings.

The causes of pollution are increasing day by day. Despite massive efforts at national and global levels, no any big success is achieved so far to contain them. Its main reason is unplanned development. It has deprived human beings the natural beauty of this world despite giving lot of luxuries and comforts.

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