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Environmental Pollution is the release of contaminated and harmful substances and materials into the surroundings which affect living things negatively. Pollution occurs to air, water and land. Pollution is the contamination of fresh and pure air, land and water with impurities. It is the release of unwanted substances into the surrounding.

Pollution is undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities. This is also the addition of substances or forms of energy to the environment at a rate faster than the environment can accomodate.


Types of Pollution

  1. Air pollution
  2. Water pollution
  3. Land pollution
  4. Noise pollution


Others include

  1. Visual pollution
  2. Thermal pollution
  3. Radioactive pollution


Air Pollution – This is the release of harmful and unwanted substance into the air. It is the addition of pollutants into the atmosphere.

Water Pollution – This is the contamination of  water bodies (streams, lakes, underground water, bays, and oceans) by substances harmful to life.

Land Pollution– This is the deposition of solid wastes that cannot be broken down easily on land which affects its productivity. The solid wastes can be used car, cans, broken bottles, plastic containers, etc.

Noise Pollution – This is the release of unpleasant sound in the environment, annoying and potentially harmful sound in the environmental.


Sources of Pollution

  • Oil spillage
  • Gasses from vehicles and automobile engines
  • Cigarette smoking
  • Industrial and factory waste
  • Bush burning
  • Refuse and sewage disposal
  • Erosion
  • War disaster
  • Noise



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