Pollution

Pollutants

1.The word pollution is derived from Latin word, 'Pollutionen' which means to make dirty.

1. A pollutant is defined as any form of energy or matter that cause degradation. It also create pollution in the natural balance of eco-system.

2. Pollution is an undesirable change in the physical, chemical or biological characteristics of our air, land and water, that may or will affect human life adversely.

2. Pollutants can be in the form of gaseous, liquid or solid.

3. Besides humans, other species, are also affected badly by pollution.

3. Pollutants transported by air, water and develop on land may be gaseous, liquid and solid respectively.

4. Pollution affecting air is called air pollution, affecting water and land is termed as water pollulion and land pollution respectively.

4. According to Sir Frederic Warner, 'A substance is normally considered to be pollutant if it adversely alter an environment by changing the growth of species, interfere with the food chain and toxic it.