In a broader term environment means everything that surrounds us. It includes living or biotic life, for examples the plants and animals and non-living or biotic components like air, water and soil. Environmental pollution refers to degradation of air and water by mixing of harmful and undesirable pollutants in them.
Today, pollution has become the biggest global problem because it has grown in magnitude and threatens to endanger all life on the living planet. As a matter of fact the gravity of situation created by pollution worldwide has been voiced at many national and international levels by various dignitaries and organisations to emphasise the need to realise the problem in all its seriousness and take whatever measures necessary in all earnest.
In this decade, “freedom of future generation to sustain their life on this planet”is important and this was referring to the unsustainable practices of humans which have seriously threatened the very life on earth.
Of the three types of pollution such as air, water and sound, the air pollution is the most dangerous because if the water is polluted one can avoid drinking it or treat it, but if the air is polluted, we cannot stop breathing. Air pollution is caused by mixing of pollutants like carbon monoxide, lead, smoke particles, sulphur, mercury and other harmful chemicals in the air.
Since the dawn of civilisation man has endeavored to make his life more and more comfortable by producing various types of goods that satisfy his wants. Human desires are endless. People want more and more goods with better look, quality and duration. With the increase in population, the demand for goods and services goes on increasing. To satisfy their ever-increasing demand, more and more industries are being set up.
These industries use coal and petroleum as source of energy in the process of production. These factories continuously release smoke in the air. Some industries like leather tanning use various types